ARM: sa11x0: convert set_xxx_data() to register_xxx()

Only register devices if we have platform data for those which require
platform data.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index fd776bb..13ebd2d 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -354,7 +354,7 @@
 
 static void __init jornada720_mach_init(void)
 {
-	sa11x0_set_flash_data(&jornada720_flash_data, &jornada720_flash_resource, 1);
+	sa11x0_register_mtd(&jornada720_flash_data, &jornada720_flash_resource, 1);
 }
 
 MACHINE_START(JORNADA720, "HP Jornada 720")