Move REPEAT_BYTE definition into linux/kernel.h

Signed-off-by: Bryan Smith <zarboz@gmail.com>

Conflicts:
	arch/sparc/lib/usercopy.c
More Linaro Fixes
net/ipv4/tcp_input.c : fix array out of bounds warning

Conflicts:
	net/ipv4/tcp_input.c
Final Linaro Fixes