drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields

Rather than magic numbers.

Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-12-19 09:57:53 -05:00
commit 04a0d2d9a6