build/Make: Switch back to llvm-config for now, I foolishly forgot to think
about cross compiles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144406 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index b7edfba..6b68cf2 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -516,7 +516,7 @@
     LLVM_TBLGEN   := $(LLVMToolDir)/llvm-tblgen$(EXEEXT)
   endif
 endif
-LLVM_CONFIG := $(LLVMToolDir)/llvm-config-2$(EXEEXT)
+LLVM_CONFIG := $(LLVMToolDir)/llvm-config
 ifndef LLVMLD
 LLVMLD    := $(LLVMToolDir)/llvm-ld$(EXEEXT)
 endif