mb/amd/majolica: Add option of ROM size

Change-Id: I07740285658aa098d3785cbead173b2f3acca42d
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49601
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/mainboard/amd/majolica/Kconfig

@@ -4,6 +4,7 @@ if BOARD_AMD_MAJOLICA
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
+	select BOARD_ROMSIZE_KB_16384
 	select SOC_AMD_CEZANNE
 	select AMD_SOC_CONSOLE_UART