Detect beagleboard as ARM. The $target is "armv7l".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69446 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 59d4fa8..1064763 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -222,7 +222,7 @@
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
   alpha*-*)               llvm_cv_target_arch="Alpha" ;;
   ia64-*)                 llvm_cv_target_arch="IA64" ;;
-  arm-*)                  llvm_cv_target_arch="ARM" ;;
+  arm-* | armv??-*)       llvm_cv_target_arch="ARM" ;;
   mips-*)                 llvm_cv_target_arch="Mips" ;;
   pic16-*)                llvm_cv_target_arch="PIC16" ;;
   xcore-*)                llvm_cv_target_arch="XCore" ;;