media: vpss: fix the order of resource clean up

Clean up of resources should be in reverse order of vpss_init().
Fix this inside vpss_exit().
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/davinci/vpss.c

@@ -507,9 +507,9 @@ static struct platform_driver vpss_driver = {
 
 static void vpss_exit(void)
 {
+	platform_driver_unregister(&vpss_driver);
 	iounmap(oper_cfg.vpss_regs_base2);
 	release_mem_region(VPSS_CLK_CTRL, 4);
-	platform_driver_unregister(&vpss_driver);
 }
 
 static int __init vpss_init(void)