[media] media/pci/cobalt: Use %*ph to print small buffers

printk() supports %*ph format specifier for printing a small buffers,
let's use it intead of %02x %02x...

Signed-off-by: Alexander Kuleshov <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/pci/cobalt/cobalt-cpld.c

···
 	   0x01, 0xc7, 0xfc, 0x7f, 0x53, 0x62).
 	 */
 
-	cobalt_dbg(1, "%u: %02x %02x %02x %02x %02x %02x\n", f_out,
-			regs[0], regs[1], regs[2], regs[3], regs[4], regs[5]);
+	cobalt_dbg(1, "%u: %6ph\n", f_out, regs);
+
 	while (retries--) {
 		u8 read_regs[6];
 
···
 
 		if (!memcmp(read_regs, regs, sizeof(read_regs)))
 			break;
-		cobalt_dbg(1, "retry: %02x %02x %02x %02x %02x %02x\n",
-			read_regs[0], read_regs[1], read_regs[2],
-			read_regs[3], read_regs[4], read_regs[5]);
+		cobalt_dbg(1, "retry: %6ph\n", read_regs);
 	}
 	if (2 - retries)
 		cobalt_info("Needed %d retries\n", 2 - retries);