[why]
When page fault happens, it could lead to sdma hang is RESP_MODE =
0 for non-PRT case.

[how]
Setting  SDMAx_UTCL1_CNTL.RESP_MODE to 0b011 to avoid SDMA halt.
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>