drm/amdkfd: clean up some inconsistent indenting

drm/amdkfd: clean up some inconsistent indenting

No functional modification involved.

drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:305 svm_range_free() warn: inconsistent indenting.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=6804
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>