sh: Add MMU dependency for kexec
sh: Add MMU dependency for kexec

Kexec is not likely to work on NON-MMU CPU because this added
depend on MMU for kexec.

Signed-off-by: Nobuhiro Iwamatsu <ba3ce62c270b7d092f09de66b1ca73edef16c484@renesas.com>
Signed-off-by: Paul Mundt <38b52dbb5f0b63d149982b6c5de788ec93a89032@linux-sh.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas