Rename some instructions to compile with llvm and gas.

* Rename .irep to .irp
* Rename "cmp x2, #-8" to "cmn x2, #8"
* Replace "vmov.s32" with "vmov"
* Replace "LSL #COMPONENT_SHIFT" with "LSL #(COMPONENT_SHIFT)"
* Nested .irp in *_Blur.S still cannot be compiled with llvm,
  so -no-integrated-as is required.
* Verified before and after objdump binary codes are identical.

BUG: 23217766

Change-Id: I3c0d2eed44b79a39e3efcba3afadc3a14ca07874
7 files changed