Add MSP430 interrupt calling conv. No functionality change yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90738 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLToken.h b/lib/AsmParser/LLToken.h
index 797c32e..1165766 100644
--- a/lib/AsmParser/LLToken.h
+++ b/lib/AsmParser/LLToken.h
@@ -69,6 +69,7 @@
     kw_cc, kw_ccc, kw_fastcc, kw_coldcc,
     kw_x86_stdcallcc, kw_x86_fastcallcc,
     kw_arm_apcscc, kw_arm_aapcscc, kw_arm_aapcs_vfpcc,
+    kw_msp430_intrcc,
 
     kw_signext,
     kw_zeroext,