drm/amdkfd: Fix a building error when KFD_SUPPORT_IOMMU_V2 is turned off

The issue was accidentally introduced recently.

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yong Zhao 2019-09-05 10:49:56 -04:00 • committed by Alex Deucher
commit 95a5bd1b33