drm-tip doesn't compile due to redefining ci_send_msg_to_smc

Submitted by Fei Yang

Assigned to Default DRI bug account

Link to original bug (#103129)

Description

The following commit introduced another implementation of ci_send_msg_to_smc() which is causing compile issue with allyesconfig.

commit 9f4b35411cfed96d4f9f092b2fed14905af84d89
Author: Rex Zhu Rex.Zhu@amd.com
Date: Fri Sep 8 19:34:33 2017 +0800

drm/amd/powerplay: add CI asics support to smumgr (v3)

This ports support for CI asics (Bonaire, Hawaii)
to the powerplay smumgr

v2: warning fix (Alex)
v3: squash in fix for thermal (Tom)

Reviewed-by: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Rex Zhu Rex.Zhu@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com

To reproduce the issue:
checkout the latest drm-tip
make allyesconfig
make

...
drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.o: In function ci_send_msg_to_smc':<br> ci_smc.c:(.text+0xea0): multiple definition of ci_send_msg_to_smc'
drivers/gpu/drm/radeon/ci_smc.o:ci_smc.c:(.text+0x300): first defined here
make: *** [vmlinux] Error 1