disable use of directive .set nomicromips
until this directive is pushed in gas to open source fsf

Patch by Reed Kotler.

llvm-svn: 158381
diff --git a/llvm/test/CodeGen/Mips/null.ll b/llvm/test/CodeGen/Mips/null.ll
index f34f6a4..7beae99 100644
--- a/llvm/test/CodeGen/Mips/null.ll
+++ b/llvm/test/CodeGen/Mips/null.ll
@@ -6,7 +6,7 @@
   ret i32 0
 
 ; 16: 	.set	mips16                  # @main
-; 16:	.set	nomicromips
+
 
 ; 16:	jr	$ra