[PPC BOOT] Find device-tree source file in default directory.

[David Woodhouse]

If a .dts file is given to the bootwrapper script without a full path
name, look in a sensible place for it.

Signed-off-by: David Woodhouse <dwmw2 at infradead.org>

--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -116,6 +118,9 @@ while [ "$#" -gt 0 ]; do
 done
 
 if [ -n "$dts" ]; then
+    if [ ! -r "$dts" -a -r "$object/dts/$dts" ]; then
+	dts="$object/dts/$dts"
+    fi
     if [ -z "$dtb" ]; then
 	dtb="$platform.dtb"
     fi

-- 
dwmw2