mb/prodrive/hermes: Add BIOS menu control via EEPROM
Introduce a new field in the board settings EEPROM region to control
whether BIOS menu is to be enabled. This field will be used in EDK2
payload.
Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I0af81c9e70a0088caea6bc7e2b81eab9a123c0f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65128
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Christian Walter <christian.walter@9elements.com>