x86: baytrail: Enable SeaBIOS on all boards

SeaBIOS can be loaded by U-Boot to aid the installation of Ubuntu
and Windows to a SATA drive and boot from there. Enable it on all
BayTrail boards.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/conga-qeval20-qa3-e3845_defconfig b/configs/conga-qeval20-qa3-e3845_defconfig
index 26f416c..64fd7c9 100644
--- a/configs/conga-qeval20-qa3-e3845_defconfig
+++ b/configs/conga-qeval20-qa3-e3845_defconfig
@@ -9,6 +9,7 @@
 CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
 CONFIG_GENERATE_ACPI_TABLE=y
+CONFIG_SEABIOS=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_BOOTSTAGE=y