Use CONFIG_VBOOT to enable do_printk_va_list to match the conditionals
in include/console/console.h and the only caller is vboot/vboot_logic.c.
CONFIG_VBOOT is also selected for CONFIG_CHROMEOS.
TEST=Build and run on Galileo Gen2
Change-Id: Ia115c74afa498a14d5edd6f7940ec2edc124516f
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/17967
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>