Revert "[MSP430] Add MC layer"

This commit broke the module buildbots.
Error:

lib/Target/MSP430/MSP430GenAsmMatcher.inc:1027:1: error: redundant
namespace 'llvm' [-Wmodules-import-nested-redundant]
^

llvm-svn: 346410
diff --git a/llvm/test/CodeGen/MSP430/asm-clobbers.ll b/llvm/test/CodeGen/MSP430/asm-clobbers.ll
index 0a03350..216a3fe 100644
--- a/llvm/test/CodeGen/MSP430/asm-clobbers.ll
+++ b/llvm/test/CodeGen/MSP430/asm-clobbers.ll
@@ -6,8 +6,8 @@
 define void @test() {
 entry:
 ; CHECK-LABEL: test:
-; CHECK: push r10
+; CHECK: push.w r10
   call void asm sideeffect "", "~{r10}"()
-; CHECK: pop r10
+; CHECK: pop.w r10
   ret void
 }