Hexagon: Add configuration and makefiles for the Hexagon architecture.

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc arch/hexagon/Kconfig
Simple merge

diff --cc arch/hexagon/Makefile
Simple merge

diff --cc arch/hexagon/kernel/Makefile
Simple merge

diff --cc arch/hexagon/kernel/asm-offsets.c
Simple merge

diff --cc arch/hexagon/kernel/vmlinux.lds.S
Simple merge

diff --cc arch/hexagon/lib/Makefile
Simple merge

diff --cc arch/hexagon/mm/Makefile
Simple merge