ARM: remove indirection of asm/mach-types.h

Arrange for mach-types.h to be directly generated in the relevant
path, so we don't need a one-liner file in arch/arm/include/asm/.

Change-Id: I4693b7279625fdcbf5d99902af40968414fc998a
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Git-Commit: 4e2648db9c5f7b2281551694597102612f54460d
Git-Repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


[schikk@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>