soc: aspeed: lpc-snoop: Cleanup resources in stack-order

Free the kfifo after unregistering the miscdev in
aspeed_lpc_disable_snoop() as the kfifo is initialised before the
miscdev in aspeed_lpc_enable_snoop().

Fixes: 3772e5da4454 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Cc: [e-mail]
Cc: Jean Delvare <[e-mail]>
Acked-by: Jean Delvare <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Andrew Jeffery <[e-mail]>

drivers/soc/aspeed/aspeed-lpc-snoop.c

···
 		return;
 	}
 
-	kfifo_free(&lpc_snoop->chan[channel].fifo);
 	misc_deregister(&lpc_snoop->chan[channel].miscdev);
+	kfifo_free(&lpc_snoop->chan[channel].fifo);
 }
 
 static int aspeed_lpc_snoop_probe(struct platform_device *pdev)