PATA: RPC now selects HAVE_PATA_PLATFORM for pata platform driver

The RPC machine type now selects HAVE_PATA_PLATFORM so we can remove
the special case in the PATA_PLATFORM configuration code.

Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/ata/Kconfig

@@ -663,7 +663,7 @@ config HAVE_PATA_PLATFORM
 
 config PATA_PLATFORM
 	tristate "Generic platform device PATA support"
-	depends on EMBEDDED || ARCH_RPC || PPC || HAVE_PATA_PLATFORM
+	depends on EMBEDDED || PPC || HAVE_PATA_PLATFORM
 	help
 	  This option enables support for generic directly connected ATA
 	  devices commonly found on embedded systems.