mb/emulation: Enhance ROM_SIZE

Some payloads tend to need bigger space than what our current defaults
allow. Linuxboot is a good example.

Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I7029ca3360d936b67ff9873fa13cf9cc60445e56
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76106
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

src/mainboard/emulation/qemu-aarch64/Kconfig

@@ -12,7 +12,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select ARCH_ROMSTAGE_ARMV8_64
 	select ARCH_RAMSTAGE_ARMV8_64
 	select ARM64_USE_ARCH_TIMER
-	select BOARD_ROMSIZE_KB_4096
+	select BOARD_ROMSIZE_KB_16384
 	select BOOTBLOCK_CUSTOM
 	select BOOT_DEVICE_NOT_SPI_FLASH
 	select DRIVERS_UART_PL011

src/mainboard/emulation/qemu-q35/Kconfig

@@ -8,8 +8,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select HAVE_OPTION_TABLE
 #	select HAVE_PIRQ_TABLE
 	select HAVE_ACPI_TABLES
-	select BOARD_ROMSIZE_KB_2048 if !VBOOT
-	select BOARD_ROMSIZE_KB_16384 if VBOOT
+	select BOARD_ROMSIZE_KB_16384
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select MAINBOARD_FORCE_NATIVE_VGA_INIT if !CHROMEOS
 	select MEMORY_MAPPED_TPM

src/mainboard/emulation/qemu-riscv/Kconfig

@@ -24,7 +24,7 @@ if BOARD_EMULATION_QEMU_RISCV
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select SOC_UCB_RISCV
-	select BOARD_ROMSIZE_KB_4096
+	select BOARD_ROMSIZE_KB_16384
 	select BOOT_DEVICE_NOT_SPI_FLASH
 	select MISSING_BOARD_RESET
 	select DRIVERS_UART_8250MEM