[AARCH64] Enable AARCH64 lit tests on windows dev machines

As discussed on PR27654, this patch fixes the triples of a lot of aarch64 tests and enables lit tests on windows

This will hopefully help stop cases where windows developers break the aarch64 target

Differential Revision: https://reviews.llvm.org/D22191

llvm-svn: 275973
diff --git a/llvm/test/CodeGen/AArch64/complex-fp-to-int.ll b/llvm/test/CodeGen/AArch64/complex-fp-to-int.ll
index 13cf762..6024e70 100644
--- a/llvm/test/CodeGen/AArch64/complex-fp-to-int.ll
+++ b/llvm/test/CodeGen/AArch64/complex-fp-to-int.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
+; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
 
 define <2 x i64> @test_v2f32_to_signed_v2i64(<2 x float> %in) {
 ; CHECK-LABEL: test_v2f32_to_signed_v2i64: