V4L/DVB (4641): Trivial: use lowercase letters in hex subsystem ids

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 05d03e4..6214eb8 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1348,7 +1348,7 @@
 		.card      = CX88_BOARD_LEADTEK_PVR2000,
 	},{
 		.subvendor = 0x107d,
-		.subdevice = 0x663C,
+		.subdevice = 0x663c,
 		.card      = CX88_BOARD_LEADTEK_PVR2000,
 	},{
 		.subvendor = 0x1461,