V4L/DVB: follow lspci device/vendor style

Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format
used by lspci(8).

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index bd18afe..3419de9 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -395,9 +395,9 @@
 
 	if (cx->card == NULL) {
 		cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
-		CX18_ERR("Unknown card: vendor/device: %04x/%04x\n",
+		CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
 		     cx->dev->vendor, cx->dev->device);
-		CX18_ERR("              subsystem vendor/device: %04x/%04x\n",
+		CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
 		     cx->dev->subsystem_vendor, cx->dev->subsystem_device);
 		CX18_ERR("Defaulting to %s card\n", cx->card->name);
 		CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");