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/cerf.c b/arch/arm/mach-sa1100/cerf.c
index fd3ad9c..bc950ef 100644
--- a/arch/arm/mach-sa1100/cerf.c
+++ b/arch/arm/mach-sa1100/cerf.c
@@ -129,8 +129,8 @@
 static void __init cerf_init(void)
 {
 	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
-	sa11x0_set_flash_data(&cerf_flash_data, &cerf_flash_resource, 1);
-	sa11x0_set_mcp_data(&cerf_mcp_data);
+	sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
+	sa11x0_register_mcp(&cerf_mcp_data);
 }
 
 MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")