uboot-imx

moveconfig: Cleanup headers in arch and board

Some config.h files live in arch and board directories. They will need
to be cleaned up as well, so run the same filters there.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>