Fix pkgversion for gcc
Signed-off-by: Paul Beeler <sparksco@gmail.com>

Change-Id: Idfbe8edd21616dc7d0eb3fc5e746f58d8f38363b
optimize for neon vfp & cortex-a9
Revert "toolchain/build: Use --disable-libatomic for gcc"

This reverts commit 24a9962d7fc84a3c331680b5a5be59e0df5d4a6c.
enable dwarf accel tables

Conflicts:
	Makefile.in

Change-Id: I198cddd225c7035b3628834ad3f0e707a8138910
Signed-off-by: Paul Beeler <sparksco@gmail.com>