[ARM] 4250/1: Fix locomo backlight conversion error/compile failure

Fix locomo backlight conversion error and subsequent compile failure
from commit 599a52d12629394236d785615808845823875868.

Signed-off-by: RIchard Purdie <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

drivers/video/backlight/locomolcd.c

···
 {
 	unsigned long flags;
 
-	locomobl_data.brightness = 0;
-	locomobl_data.power = 0;
+	locomolcd_bl_device->props.brightness = 0;
+	locomolcd_bl_device->props.power = 0;
 	locomolcd_set_intensity(locomolcd_bl_device);
 
 	backlight_device_unregister(locomolcd_bl_device);