Documentation/mb/starlabs: De-duplicate the building instructions

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I20301b3041a62eb416ed61a84544ec4e5cc66c1e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68585
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

Documentation/mainboard/starlabs/lite_glk.md

@@ -37,27 +37,7 @@
 
 ## Building coreboot
 
-### Preliminaries
-
-Prior to building coreboot the following files are required:
-* Intel Flash Descriptor file (descriptor.bin)
-* Intel Management Engine firmware (me.bin)
-* ITE Embedded Controller firmware (ec.bin)
-
-The files listed below are optional:
-- Splash screen image in Windows 3.1 BMP format (Logo.bmp)
-
-These files exist in the correct location in the StarLabsLtd/blobs repo on GitHub which is used in place of the standard 3rdparty/blobs repo.
-
-### Build
-
-The following commands will build a working image:
-
-```bash
-make distclean
-make defconfig KBUILD_DEFCONFIG=configs/config.starlabs_lite_glk
-make
-```
+Please follow the [Star Labs build instructions](../common/building.md) to build coreboot, using `config.starlabs_lite_glk` as config file.
 
 ## Flashing coreboot