ARM: dts: porter: fix JP3 jumper description

When finishing the Porter sound support patch, I managed to call the JP3
jumper SW3 in the comment.  Fix this  along with (also miscalled) jumper
positions...

Fixes: 493b4da7 ("ARM: dts: porter: add sound support")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-porter.dts

@@ -11,8 +11,8 @@
 /*
  * SSI-AK4642
  *
- * SW3: 1: AK4642
- *      3: ADV7511
+ * JP3: 2-1: AK4642
+ *      2-3: ADV7511
  *
  * This command is required before playback/capture:
  *