soc/intel/meteorlake: Remove `ADL` instances

This patch removes all instances of the `ADL` from Meteor Lake SoC
directory.

TEST=Able to build and boot Google/Rex.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I8153b2070467beb582ce1f70be97272ce09ca04c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65667
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index 8c4158b..c70e472 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -142,8 +142,7 @@
 	hex
 	default 0x10000
 
-# Intel recommends reserving the following resources per PCIe TBT root port,
-# from ADL BIOS Spec (doc #627270) Revision 0.6.0 Section 7.2.5.1.5
+# Intel recommends reserving the PCIe TBT root port resources as below:
 # - 42 buses
 # - 194 MiB Non-prefetchable memory
 # - 448 MiB Prefetchable memory
diff --git a/src/soc/intel/meteorlake/include/soc/itss.h b/src/soc/intel/meteorlake/include/soc/itss.h
index 74ee5ab..a0347d6 100644
--- a/src/soc/intel/meteorlake/include/soc/itss.h
+++ b/src/soc/intel/meteorlake/include/soc/itss.h
@@ -10,4 +10,4 @@
 #define IRQS_PER_IPC	32
 #define NUM_IPC_REGS	((ITSS_MAX_IRQ + IRQS_PER_IPC - 1)/IRQS_PER_IPC)
 
-#endif	/* SOC_INTEL_ADL_ITSS_H */
+#endif	/* SOC_INTEL_MTL_ITSS_H */