tiny little android neon build fix
still adjusting asm for better as compatibility..
drc: rework linkage_arm for better assembler compatibility
gte_neon: access scratch_buf through drc context
drc: use print wrapper to output errors

..for platforms without working printf
fix clang warnings
drc: convert linkage_arm to UAL, adjust loads
libretro/ios: enable dynarec, update target names