Delete the duplicate #defines introduced by:
	commit 
6b457d31ea0465fcadcf6d5044f5f71398954727
	Author: A.Sunil Kamath <sunil.kamath@intel.com>
	Date:   Thu Apr 16 14:22:09 2015 +0530
		drm/i915/skl: Implement enable/disable for Display C5 state.
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 
 #define DC_STATE_EN                    0x45504
 #define  DC_STATE_EN_UPTO_DC5          (1<<0)
 #define  DC_STATE_EN_DC9               (1<<3)
-
-/*
-* SKL DC
-*/
-#define  DC_STATE_EN                   0x45504
-#define  DC_STATE_EN_UPTO_DC5          (1<<0)
 #define  DC_STATE_EN_UPTO_DC6          (2<<0)
 #define  DC_STATE_EN_UPTO_DC5_DC6_MASK   0x3