platform/clang_darwin: Drop an x86_64 slice into cc_kext_ios5.
 - This doesn't get used, but it is a simple workaround for PR14013.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@165987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/make/platform/clang_darwin.mk b/make/platform/clang_darwin.mk
index f1e1d31..6dc31d5 100644
--- a/make/platform/clang_darwin.mk
+++ b/make/platform/clang_darwin.mk
@@ -61,7 +61,7 @@
 # Configuration for use with kernel/kexts for iOS 5.0 and earlier (which used 
 # a different code generation strategy).
 Configs += cc_kext_ios5
-UniversalArchs.cc_kext_ios5 := $(call CheckArches,armv7)
+UniversalArchs.cc_kext_ios5 := $(call CheckArches,x86_64 armv7,cc_kext_ios5)
 
 # Configurations which define the profiling support functions.
 Configs += profile_osx