drm/gma500: Fix trailing whitespaces

Adhere to kernel coding style.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Acked-by: Sam Ravnborg <[e-mail]>
Cc: Patrik Jakobsson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/gma500/cdv_device.c

···
 static void cdv_hotplug_work_func(struct work_struct *work)
 {
         struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
-							hotplug_work);                 
+							hotplug_work);
         struct drm_device *dev = dev_priv->dev;
 
         /* Just fire off a uevent and let userspace tell us what to do */
         drm_helper_hpd_irq_event(dev);
-}                       
+}
 
 /* The core driver has received a hotplug IRQ. We are in IRQ context
    so extract the needed information and kick off queued processing */
-   
+
 static int cdv_hotplug_event(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv = dev->dev_private;
···
 	}  else {
 		REG_WRITE(PORT_HOTPLUG_EN, 0);
 		REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
-	}	
+	}
 }
 
 static const char *force_audio_names[] = {

drivers/gpu/drm/gma500/intel_bios.c

···
 	uint8_t	panel_type;
 
 	edp = find_section(bdb, BDB_EDP);
-	
+
 	dev_priv->edp.bpp = 18;
 	if (!edp) {
 		if (dev_priv->edp.support) {
···
 	dev_priv->edp.pps = *edp_pps;
 
 	DRM_DEBUG_KMS("EDP timing in vbt t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n",
-				dev_priv->edp.pps.t1_t3, dev_priv->edp.pps.t8, 
+				dev_priv->edp.pps.t1_t3, dev_priv->edp.pps.t8,
 				dev_priv->edp.pps.t9, dev_priv->edp.pps.t10,
 				dev_priv->edp.pps.t11_t12);
 

drivers/gpu/drm/gma500/oaktrail_device.c

···
 {
 	struct drm_psb_private *dev_priv = dev->dev_private;
 	int ret;
-	
+
 	if (pci_enable_msi(dev->pdev))
 		dev_warn(dev->dev, "Enabling MSI failed!\n");
 

drivers/gpu/drm/gma500/psb_intel_lvds.c

···
 	        dev_err(dev->dev, "set power, chip off!\n");
 		return;
         }
-        
+
 	if (on) {
 		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
 			  POWER_TARGET_ON);