[AArch64] Remove incorrect usage of MONonTemporal.
[AArch64] Remove incorrect usage of MONonTemporal.

This has no effect at the moment, but might matter if we try to
implement non-temporal loads in the future.



git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@368770 91177308-0d34-0410-b5e6-96231b3b80d8

GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm