soc/intel/meteorlake: Hook up microcode from repository

Change-Id: I46021accacbb911d7a7ecfdbb52973a7da78f36e
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84125
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dinesh Gehlot <digehlot@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/soc/intel/meteorlake/Kconfig

@@ -37,7 +37,6 @@ config SOC_INTEL_METEORLAKE
 	select INTEL_GMA_OPREGION_2_1
 	select INTEL_GMA_VERSION_2
 	select IOAPIC
-	select MICROCODE_BLOB_UNDISCLOSED
 	select MP_SERVICES_PPI_V2
 	select MRC_CACHE_USING_MRC_VERSION
 	select MRC_SETTINGS_PROTECT

src/soc/intel/meteorlake/Makefile.mk

@@ -59,4 +59,8 @@ smm-y += xhci.c
 CPPFLAGS_common += -I$(src)/soc/intel/meteorlake
 CPPFLAGS_common += -I$(src)/soc/intel/meteorlake/include
 
+ifeq ($(CONFIG_SOC_INTEL_METEORLAKE_U_H),y)
+cpu_microcode_bins += 3rdparty/intel-microcode/intel-ucode/06-aa-04
+endif
+
 endif