Undo removal of newline

Author: HolyMolyCowMan

llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp

@@ -2404,4 +2404,4 @@ bool AArch64LegalizerInfo::legalizePrefetch(MachineInstr &MI,
   MIB.buildInstr(AArch64::G_AARCH64_PREFETCH).addImm(PrfOp).add(AddrVal);
   MI.eraseFromParent();
   return true;
-}
+}