mb/starlabs/starbook: Add Raptor Lake StarBook Mk VI variant

Tested using `edk2` from
`github.com/starlabsltd/edk2/tree/uefipayload_vs`:
* Windows 11
* Ubuntu 22.04
* Manjaro 22

No known issues.

https://starlabs.systems/pages/starbook-specification

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I7c92bf92ab4de546c3633fae7e19a302409508ce
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74444
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

Documentation/mainboard/starlabs/starbook_adl.md

@@ -5,6 +5,8 @@
 - CPU (full processor specs available at https://ark.intel.com)
     - Intel i7-1260P (Alder Lake)
     - Intel i3-1220P (Alder Lake)
+    - Intel i3-1315U (Raptor Lake)
+    - Intel i7-1360P (Raptor Lake)
 - EC
     - ITE IT5570E
     - Backlit keyboard, with standard PS/2 keycodes and SCI hotkeys
@@ -33,7 +35,8 @@
     - RTS5129 MicroSD card reader
 - USB
     - 1920x1080 CCD camera
-    - USB 3.1 Gen 2 (left)
+    - USB 3.1 Gen 2 (left) (Alder Lake)
+    - Thunderbolt 4.0 (left) (Raptor Lake)
     - USB 3.1 Gen 2 Type-A (left)
     - USB 3.1 Gen 1 Type-A (right)
     - USB 2.0 Type-A (right)
@@ -58,12 +61,21 @@ These files exist in the correct location in the StarLabsLtd/blobs repo on GitHu
 
 The following commands will build a working image:
 
+
+Alder Lake:
 ```bash
 make distclean
 make defconfig KBUILD_DEFCONFIG=configs/config.starlabs_starbook_adl
 make
 ```
 
+Raptor Lake:
+```bash
+make distclean
+make defconfig KBUILD_DEFCONFIG=configs/config.starlabs_starbook_rpl
+make
+```
+
 ## Flashing coreboot
 
 ```eval_rst