Set up the CP and SDMA for proper unaligned memory access.
Required for OpenCL 2.x

v2: udpate commit message
Signed-off-by: NJack Xiao <Jack.Xiao@amd.com>
Reviewed-by: NMonk Liu <monk.liu@amd.com>
Reviewed-by: NJammy Zhou <Jammy.Zhou@amd.com>