msm: smd: Add nop definitions for all SMD functions

Stub out the SMD API when the implementation is not present
so that clients may compile against the stubs.

Change-Id: Iaa2dc763ff0c70050064a710db41746b1aa5ccec
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
1 file changed