soc/amd/phoenix: Populate type 0x63 entry with right MRC Cache

On boards with RECOVERY_MRC_CACHE FMAP section, populate type 0x63 BIOS
directory entry in RO with that section. If the RECOVERY_MRC_CACHE
section is not present, then fall back to RW_MRC_CACHE.

BUG=b:270569389

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: Ic5ac87685eaa5fec717e3efa4df7af511b4ce8aa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73257
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
diff --git a/src/soc/amd/phoenix/Kconfig b/src/soc/amd/phoenix/Kconfig
index 48fd2a5..6df8fe7 100644
--- a/src/soc/amd/phoenix/Kconfig
+++ b/src/soc/amd/phoenix/Kconfig
@@ -8,6 +8,7 @@
 	select ACPI_SOC_NVS
 	select ARCH_X86
 	select BOOT_DEVICE_SUPPORTS_WRITES if BOOT_DEVICE_SPI_FLASH
+	select CACHE_MRC_SETTINGS
 	select DRIVERS_USB_ACPI
 	select DRIVERS_USB_PCI_XHCI
 	select FSP_COMPRESS_FSP_M_LZMA if !ASYNC_FILE_LOADING