[MIPS] Unconditionally writeback and invalidate caches on kexec.
[MIPS] Unconditionally writeback and invalidate caches on kexec.

Signed-off-by: Nicolas Schichan <c54e4189a7955dc43220bb9a8c71cc47ff418750@freebox.fr>
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

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