MIPS: Disable MIPS16/microMIPS crap for platforms not supporting these ASEs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --cc arch/mips/Kconfig
Simple merge

diff --cc arch/mips/include/asm/mipsregs.h
Simple merge

diff --cc arch/mips/loongson1/Kconfig
Simple merge