media: gspca: Convert PERR to gspca_err

Use a more typical kernel logging style.

The current macro hides the gspca_dev argument so add it to the
macro uses instead.

Miscellanea:

o Add missing '\n' terminations to formats
o Realign arguments to open parenthesis

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/gspca/spca508.c

@@ -1309,7 +1309,8 @@ static int ssi_w(struct gspca_dev *gspca_dev,
 		if (gspca_dev->usb_buf[0] == 0)
 			break;
 		if (--retry <= 0) {
-			PERR("ssi_w busy %02x", gspca_dev->usb_buf[0]);
+			gspca_err(gspca_dev, "ssi_w busy %02x\n",
+				  gspca_dev->usb_buf[0]);
 			ret = -1;
 			break;
 		}