drm/fb-helper: Make docs for fb_set_suspend wrappers consistent

I figured I might as well go ocd and make them booleans and rename the
locked version too.

v2: Review from Noralf.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Fixes: cfe63423d9be ("drm/fb-helper: Add drm_fb_helper_set_suspend_unlocked()")
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160823152727.31788-1-daniel.vetter@ffwll.ch
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 0c6e53d..edc6cfd 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -265,9 +265,9 @@
 void drm_fb_helper_cfb_imageblit(struct fb_info *info,
 				 const struct fb_image *image);
 
-void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, int state);
+void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, bool suspend);
 void drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper,
-					int suspend);
+					bool suspend);
 
 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
 
@@ -421,12 +421,12 @@
 }
 
 static inline void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper,
-					     int state)
+					     bool suspend)
 {
 }
 
 static inline void
-drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper, int suspend)
+drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper, bool suspend)
 {
 }