Proper deduce z/System LLVM target from target triple when
--enable-targets=host is specified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92762 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 9ebaadc..7915593 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -512,7 +512,7 @@
             PIC16)       TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
             XCore)       TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
             MSP430)      TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
-            SystemZ)     TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
+            s390x)       TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
             Blackfin)    TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
             *)       AC_MSG_ERROR([Can not set target to build]) ;;
           esac ;;