Add support for Interix and FreeBSD


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16126 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/configure b/configure
index 3707f8d..325ed37 100755
--- a/configure
+++ b/configure
@@ -1911,12 +1911,12 @@
         *-*-freebsd*)
              OS=Linux
 
-             platform_type="Linux"
+             platform_type="FreeBSD"
              ;;
         *-*-interix*)
              OS=SunOS
 
-             platform_type="SunOS"
+             platform_type="Interix"
              ;;
 	*-*-linux*)
              OS=Linux