Fix misspelled target triples in MC/ARM test commands.

llvm-svn: 121901
diff --git a/llvm/test/MC/ARM/neont2-abs-encoding.s b/llvm/test/MC/ARM/neont2-abs-encoding.s
index 200495d..5c8bc33 100644
--- a/llvm/test/MC/ARM/neont2-abs-encoding.s
+++ b/llvm/test/MC/ARM/neont2-abs-encoding.s
@@ -1,4 +1,4 @@
-@ RUN: llvm-mc -mcpu=cortex-a8 -triple thumb-unknown-unkown -show-encoding < %s | FileCheck %s
+@ RUN: llvm-mc -mcpu=cortex-a8 -triple thumb-unknown-unknown -show-encoding < %s | FileCheck %s
 
 .code 16