1. Add linkage.h support from blackfin to common include,
which is a reduced version from Linux.
2. Add architecture part support of linkage.h into blackfin
3. Fix include path of in blackfin related to linkage.h
due to header file movement.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Common U-Boot API wants this define, so import asm/cache.h from Linux
to provide suitable defines.
Acked-by: Anton Staaf <robotboy@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>