NEON optimized blitter S32_Opaque_D32_filter_DX

Re-work for latest code base as the -Os compiler options is added.
Overwrite the optimization level at function level.

disable  Clamp_S32_Opaque_D32_filter_DX_shaderproc_neon
for non-decal case

Change-Id: I426c3fed55c2a7f6d9e024b0af266da0c2690abc
6 files changed