[media] usb/gspca/stv06xx/stv06xx.c: use IS_ENABLED() macro

replace:
 #if defined(CONFIG_INPUT) || \
     defined(CONFIG_INPUT_MODULE)
with:
 #if IS_ENABLED(CONFIG_INPUT)
This change was made for: CONFIG_INPUT

Reported-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/gspca/stv06xx/stv06xx.c

@@ -492,7 +492,7 @@ static void stv06xx_pkt_scan(struct gspca_dev *gspca_dev,
 	}
 }
 
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
 static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
 			u8 *data,		/* interrupt packet data */
 			int len)		/* interrupt packet length */
@@ -529,7 +529,7 @@ static const struct sd_desc sd_desc = {
 	.pkt_scan = stv06xx_pkt_scan,
 	.isoc_init = stv06xx_isoc_init,
 	.isoc_nego = stv06xx_isoc_nego,
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
 	.int_pkt_scan = sd_int_pkt_scan,
 #endif
 };