bios_emulator: Add Kconfig and adjust Makefile for SPL
The Kconfig for this is currently inside a particular board. Move it into
the correct place and allow use in SPL, so that video can be used there
if needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 75937fb..a25f6ae 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -10,6 +10,8 @@
source "drivers/axi/Kconfig"
+source "drivers/bios_emulator/Kconfig"
+
source "drivers/bus/Kconfig"
source "drivers/block/Kconfig"