[ARM] Make sure HasCRC is initialized to false in Subtarget.

llvm-svn: 193624

llvm/lib/Target/ARM/ARMSubtarget.cpp

@@ -112,6 +112,7 @@ void ARMSubtarget::initializeEnvironment() {
   HasPerfMon = false;
   HasTrustZone = false;
   HasCrypto = false;
+  HasCRC = false;
   AllowsUnalignedMem = false;
   Thumb2DSP = false;
   UseNaClTrap = false;