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/sunxi/Kconfig b/board/sunxi/Kconfig
index a60d028..c60c81d 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -18,6 +18,7 @@
choice
prompt "Sunxi SoC Variant"
+ optional
config MACH_SUN4I
bool "sun4i (Allwinner A10)"