Some older gcc requires the default entry in switch, otherwise
build warning "enumeration value not handled in switch" will come
up.
Change-Id: Ic8ea9960e4aca599e0ea62ec345122c9df57e766
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/1501
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>