staging: sm7xx: fixed defines

Deleted redundant __KERNEL__ define

PM methods (suspend and resume) enabled under CONFIG_PM only
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/sm7xx/smtcfb.c

@@ -26,10 +26,6 @@
  *	Boyod.yang <boyod.yang@siliconmotion.com.cn>
  */
 
-#ifndef __KERNEL__
-#define __KERNEL__
-#endif
-
 #include <linux/io.h>
 #include <linux/fb.h>
 #include <linux/pci.h>
@@ -1019,6 +1015,7 @@ static void __devexit smtcfb_pci_remove(struct pci_dev *pdev)
 	smtc_free_fb_info(sfb);
 }
 
+#ifdef CONFIG_PM
 /* Jason (08/14/2009)
  * suspend function, called when the suspend event is triggered
  */
@@ -1111,6 +1108,7 @@ static int __maybe_unused smtcfb_resume(struct pci_dev *pdev)
 
 	return 0;
 }
+#endif
 
 /* Jason (08/13/2009)
  * pci_driver struct used to wrap the original driver