mfd: fix platform driver hotplug/coldplug

Since 43cc71eed1 (platform: prefix MODALIAS
with "platform:"), the platform modalias is prefixed with "platform:".
Add MODULE_ALIAS() to the MFD platform drivers, to re-enable auto loading.

[dbrownell@users.sourceforge.net: one was missing]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <greg@kroah.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/mfd/htc-pasic3.c

@@ -238,6 +238,8 @@ static int pasic3_remove(struct platform_device *pdev)
 	return 0;
 }
 
+MODULE_ALIAS("platform:pasic3");
+
 static struct platform_driver pasic3_driver = {
 	.driver		= {
 		.name	= "pasic3",

drivers/mfd/mcp-sa11x0.c

@@ -242,6 +242,8 @@ static int mcp_sa11x0_resume(struct platform_device *dev)
 /*
  * The driver for the SA11x0 MCP port.
  */
+MODULE_ALIAS("platform:sa11x0-mcp");
+
 static struct platform_driver mcp_sa11x0_driver = {
 	.probe		= mcp_sa11x0_probe,
 	.remove		= mcp_sa11x0_remove,

drivers/mfd/sm501.c

@@ -1378,6 +1378,8 @@ static struct pci_driver sm501_pci_drv = {
 	.remove		= sm501_pci_remove,
 };
 
+MODULE_ALIAS("platform:sm501");
+
 static struct platform_driver sm501_plat_drv = {
 	.driver		= {
 		.name	= "sm501",