drm/amd/amdgpu: add missing umc_6_1_2_sh_mask.h header file (v2)

(v2): Fix preprocessor tag

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2020-01-09 10:37:56 -05:00 • committed by Alex Deucher
commit 351d5ac55c