doc/mb/starlabs: Fix references to documents

Some references are pointing to non-existing paths. Fix that.

Change-Id: I298370c69edc41a50c859684cc5a2c1dbfc85559
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75800
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

Documentation/mainboard/starlabs/labtop_cml.md

@@ -41,7 +41,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_labtop_cml` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_labtop_cml` as config file.
 
 ## Flashing coreboot
 
@@ -65,4 +65,4 @@ Please follow the [Star Labs build instructions](../common/building.md) to build
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.

Documentation/mainboard/starlabs/labtop_kbl.md

@@ -38,7 +38,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_labtop_kbl` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_labtop_kbl` as config file.
 
 ## Flashing coreboot
 
@@ -62,4 +62,4 @@ Please follow the [Star Labs build instructions](../common/building.md) to build
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.

Documentation/mainboard/starlabs/lite_glk.md

@@ -37,7 +37,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_lite_glk` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_lite_glk` as config file.
 
 ## Flashing coreboot
 
@@ -61,4 +61,4 @@ Please follow the [Star Labs build instructions](../common/building.md) to build
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.

Documentation/mainboard/starlabs/lite_glkr.md

@@ -37,7 +37,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_lite_glkr` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_lite_glkr` as config file.
 
 ## Flashing coreboot
 
@@ -61,4 +61,4 @@ Please follow the [Star Labs build instructions](../common/building.md) to build
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.

Documentation/mainboard/starlabs/starbook_adl.md

@@ -40,7 +40,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_starbook_adl` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_starbook_adl` as config file.
 
 ### Preliminaries
 
@@ -86,4 +86,4 @@ make
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.

Documentation/mainboard/starlabs/starbook_tgl.md

@@ -40,7 +40,7 @@
 
 ## Building coreboot
 
-Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_starbook_tgl` as config file.
+Please follow the [Star Labs build instructions](common/building.md) to build coreboot, using `config.starlabs_starbook_tgl` as config file.
 
 ## Flashing coreboot
 
@@ -64,4 +64,4 @@ Please follow the [Star Labs build instructions](../common/building.md) to build
 +---------------------+------------+
 ```
 
-Please see [here](../common/flashing.md) for instructions on how to flash with fwupd.
+Please see [here](common/flashing.md) for instructions on how to flash with fwupd.