Up until now there was no need in those stubs.
But since following commit compilation of U-Boot on ARC is broken:
------------------------>8----------------------
commit 7861204c9a
Author: Stephen Warren <swarren@wwwdotorg.org>
Date: Sat Oct 3 13:56:46 2015 -0600
itest: make memory access work under sandbox
itest accesses memory, and hence must map/unmap it. Without doing so, it
accesses invalid addresses and crashes.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
------------------------>8----------------------
That's because CMD_ITEST is enabled by default in common/Kconfig and now
map_physmem()/unmap_physmem() is used there.
So this patch adds missing stubs for ARC.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
90841dc21e