Input: revert some over-zealous conversions to module_platform_driver()

Recent conversion to module_platform_driver() went a bit too far and
converted not only drivers that used platform_driver_register() but
also ones using platform_driver_probe(), breaking them in process.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 4698252..9d82b3a 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -328,7 +328,18 @@
 	},
 	.remove	= __devexit_p(davinci_ks_remove),
 };
-module_platform_driver(davinci_ks_driver);
+
+static int __init davinci_ks_init(void)
+{
+	return platform_driver_probe(&davinci_ks_driver, davinci_ks_probe);
+}
+module_init(davinci_ks_init);
+
+static void __exit davinci_ks_exit(void)
+{
+	platform_driver_unregister(&davinci_ks_driver);
+}
+module_exit(davinci_ks_exit);
 
 MODULE_AUTHOR("Miguel Aguilar");
 MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver");