Add a new build target armv7-a-neon

# Configuration for Linux on ARM.

# Generating binaries for the ARMv7-a architecture and higher with NEON

#

ARCH_ARM_HAVE_THUMB_SUPPORT     := true

ARCH_ARM_HAVE_FAST_INTERWORKING := true

ARCH_ARM_HAVE_64BIT_DATA        := true

ARCH_ARM_HAVE_HALFWORD_MULTIPLY := true

ARCH_ARM_HAVE_CLZ               := true

ARCH_ARM_HAVE_FFS               := true

ARCH_ARM_HAVE_ARMV7A            := true

ARCH_ARM_HAVE_VFP               := true

ARCH_ARM_HAVE_VFP_D32           := true

ARCH_ARM_HAVE_NEON              := true

# Note: Hard coding the 'tune' value here is probably not ideal,

# and a better solution should be found in the future.

#

arch_variant_cflags := \

    -march=armv7-a \

    -mfloat-abi=softfp \

    -mfpu=neon

arch_variant_ldflags := \

	-Wl,--fix-cortex-a8