f61faeba Thu Mar 08 01:20:20 CST 2012 Aneesh V <aneesh@ti.com> armv7: Use -march=armv7-a and thereby enable Thumb-2
Enable -march=armv7-a for armv7 platforms if the tool-chain supports it. This in turn results in Thumb-2 code generated for these platforms if CONFIG_SYS_THUMB_BUILD is enabled.