drm: remove include of drmP.h from drm_encoder_slave.h

No further changes required.

Signed-off-by: Sam Ravnborg <[e-mail]>
Acked-by: Noralf Trønnes <[e-mail]>
Cc: Maarten Lankhorst <[e-mail]>
Cc: Maxime Ripard <[e-mail]>
Cc: Sean Paul <[e-mail]>
Cc: David Airlie <[e-mail]>
Cc: Daniel Vetter <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

include/drm/drm_encoder_slave.h

···
 #ifndef __DRM_ENCODER_SLAVE_H__
 #define __DRM_ENCODER_SLAVE_H__
 
-#include <drm/drmP.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_encoder.h>