Remove dependency on realpath in post-build rootfs setup.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/openpower/scripts/fixup-target-var b/openpower/scripts/fixup-target-var
index 171b916..9c9bc5b 100755
--- a/openpower/scripts/fixup-target-var
+++ b/openpower/scripts/fixup-target-var
@@ -5,8 +5,7 @@
 find $TARGET_DIR/var/ -type l |
 while read path
 do
-    target=$(realpath $path)
-    [ -d "$target" ] || continue
-    rm $path
-    mkdir $path
+    [ -d "$path" ] || continue
+    rm -v $path
+    mkdir -v $path
 done