V4L/DVB (7486): radio-cadet: wrap PNP probe code in #ifdef CONFIG_PNP

Wrap PNP probe code in #ifdef CONFIG_PNP.

Without this change, we'll have unresolved references to pnp_get_resource()
function when CONFIG_PNP=n.  (This is a new interface that's not in mainline
yet.)
Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/radio/radio-cadet.c

@@ -587,6 +587,8 @@ static struct video_device cadet_radio=
 	.vidioc_s_input     = vidioc_s_input,
 };
 
+#ifdef CONFIG_PNP
+
 static struct pnp_device_id cadet_pnp_devices[] = {
 	/* ADS Cadet AM/FM Radio Card */
 	{.id = "MSM0c24", .driver_data = 0},
@@ -621,6 +623,10 @@ static struct pnp_driver cadet_pnp_driver = {
 	.remove		= NULL,
 };
 
+#else
+static struct pnp_driver cadet_pnp_driver;
+#endif
+
 static int cadet_probe(void)
 {
 	static int iovals[8]={0x330,0x332,0x334,0x336,0x338,0x33a,0x33c,0x33e};