arch: Make board selection choices optional
By making the board selections optional, every defconfig will include
the board selection when running savedefconfig so if a new board is
added to the top of the list of choices the former top's defconfig will
still be correct.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: Tom Rini <trini@konsulko.com>
diff --git a/board/coreboot/Kconfig b/board/coreboot/Kconfig
index dc9b70f..ede6065 100644
--- a/board/coreboot/Kconfig
+++ b/board/coreboot/Kconfig
@@ -8,6 +8,7 @@
choice
prompt "Mainboard model"
+ optional
config TARGET_COREBOOT
bool "coreboot"