mb/google/brya/var/baseboard/skolas: set BOARD_ROMSIZE_KB_32768

Skolas baseboard needs to set BOARD_ROMSIZE_KB_32768, so this change
sets it.

BUG=b:239628052
BRANCH=firmware-brya-14505.B
TEST="emerge-brya coreboot" and verify that the following configs
are set as:
  CONFIG_BOARD_ROMSIZE_KB_32768=y
  CONFIG_COREBOOT_ROMSIZE_KB_32768=y
  CONFIG_COREBOOT_ROMSIZE_KB=32768
  CONFIG_ROM_SIZE=0x02000000

Change-Id: I0846b8e69c8b65e010eef9a8f4a88606197cd0c6
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65854
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 0be7d80..c14bc24 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -76,11 +76,12 @@
 
 config BOARD_GOOGLE_BASEBOARD_SKOLAS
 	def_bool n
-	select SOC_INTEL_RAPTORLAKE
 	select BOARD_GOOGLE_BRYA_COMMON
+	select BOARD_ROMSIZE_KB_32768
 	select HAVE_SLP_S0_GATE
 	select MEMORY_SOLDERDOWN if !BOARD_GOOGLE_BANSHEE
 	select SOC_INTEL_ALDERLAKE_PCH_P
+	select SOC_INTEL_RAPTORLAKE
 	select SYSTEM_TYPE_LAPTOP
 	select TPM_GOOGLE_CR50