arm: fix up some samsung merge sysdev conversion problems

Following should be fixed in your driver-core/driver-core-next.

From: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
index af52c09..330a10b 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -166,5 +166,5 @@
 	/* set idle function */
 	pm_idle = s5pc100_idle;
 
-	return device_register(&s5pc100_sys);
+	return device_register(&s5pc100_dev);
 }