ARM: dts: omap3-gta04a5: Replace LXR reference with a local one

There's no need to use an external link when the file is already here.

Signed-off-by: Jonathan Neuschäfer <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>

arch/arm/boot/dts/omap3-gta04a5.dts

@@ -82,7 +82,7 @@
 
 /*
  * for WL183x module see
- * http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/net/wireless/ti,wlcore.txt
+ * Documentation/devicetree/bindings/net/wireless/ti,wlcore.txt
  */
 
 &wifi_pwrseq {