ARC: ELF header tag updated to reflect the new kernel syscall ABI

2013-03-28  Vineet Gupta <vgupta@synopsys.com>

	* include/elf/arc.h: E_ARC_OSABI_CURRENT bumped to v3 due to
	* newer
	kernel syscall ABI (3.9 kernel + uClibc 0.9.34)

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>