Makes vita-libs-gen's generated Makefile use arm-vita-eabi as the ARCH.
Makes vita-libs-gen's generated Makefile use arm-vita-eabi as the ARCH.

vitasdk/vita-toolchain,173210/vita-toolchain,173210/vita-toolchain,vitasdk/vita-toolchain,yne/vita-toolchain,yne/vita-toolchain,endrift/vita-toolchain,MrNetrix/vita-toolchain,endrift/vita-toolchain