net/appletalk: Fix inconsistent indenting

Eliminate the follow smatch warning:

drivers/net/appletalk/ltpc.c:588 idle() warn: inconsistent indenting.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1622024464-29896-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/appletalk/ltpc.c

@@ -584,11 +584,13 @@ loop:
 						printk("%02x ",ltdmacbuf[i]);
 					printk("\n");
 				}
+
 				handlecommand(dev);
-					if(0xfa==inb_p(base+6)) {
+
-						/* we timed out, so return */
+				if (0xfa == inb_p(base + 6)) {
-						goto done;
+					/* we timed out, so return */
-					} 
+					goto done;
+				}
 			} else {
 				/* we don't seem to have a command */
 				if (!mboxinuse[0]) {