[mips][microMIPS] Add CodeGen support for DIV, MOD, DIVU, MODU, DDIV, DMOD,...

[mips][microMIPS] Add CodeGen support for DIV, MOD, DIVU, MODU, DDIV, DMOD, DDIVU and DMODU instructions
Differential Revision: http://reviews.llvm.org/D17137

This patch was reverted after the revertion of dependant patch http://reviews.llvm.org/D17068.
There was the problem with test-suite failure.
The problem is hopefully solved with dependant patch so this patch is commited again.

llvm-svn: 266179