MIPS: BCM63XX: Fix platform_devices id

There is only one watchdog and VoIP DSP platform devices per board, use
-1 as the platform_device id accordingly.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3313/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c
index da46d1d..5bb5b15 100644
--- a/arch/mips/bcm63xx/dev-dsp.c
+++ b/arch/mips/bcm63xx/dev-dsp.c
@@ -31,7 +31,7 @@
 
 static struct platform_device bcm63xx_voip_dsp_device = {
 	.name		= "bcm63xx-voip-dsp",
-	.id		= 0,
+	.id		= -1,
 	.num_resources	= ARRAY_SIZE(voip_dsp_resources),
 	.resource	= voip_dsp_resources,
 };