soc/amd/cezanne: Add verstage support

Setup the config required to support verstage.
The offsets are the same as picasso.

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I82874d649db3c9c370e32841e6a9898efb70082e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50342
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/soc/amd/cezanne/Kconfig b/src/soc/amd/cezanne/Kconfig
index 530b4e7..10c085e 100644
--- a/src/soc/amd/cezanne/Kconfig
+++ b/src/soc/amd/cezanne/Kconfig
@@ -109,10 +109,31 @@
 	help
 	  The amount of coreboot-allocated heap and stack usage by the FSP.
 
+config VERSTAGE_ADDR
+	hex
+	depends on VBOOT_SEPARATE_VERSTAGE
+	default 0x2140000
+	help
+	  Sets the address in DRAM where verstage should be loaded if running
+	  as a separate stage on x86.
+
+config VERSTAGE_SIZE
+	hex
+	depends on VBOOT_SEPARATE_VERSTAGE
+	default 0x80000
+	help
+	  Sets the size of DRAM allocation for verstage in linker script if
+	  running as a separate stage on x86.
+
 config RAMBASE
 	hex
 	default 0x10000000
 
+config RO_REGION_ONLY
+	string
+	depends on VBOOT_SLOTS_RW_AB || VBOOT_SLOTS_RW_A
+	default "apu/amdfw"
+
 config CPU_ADDR_BITS
 	int
 	default 48