drm/gma500: Remove DP_LINK_STATUS_SIZE redefinition

The DRM/DP helpers already contain a definition for this macro. Remove
the duplicate in the GMA500 driver to avoid having to keep both updated
synchronously.

Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>
Reviewed-by: NPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/gma500/cdv_intel_dp.c

@@ -247,7 +247,6 @@ i2c_dp_aux_add_bus(struct i2c_adapter *adapter)
 
 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
 
-#define DP_LINK_STATUS_SIZE	6
 #define DP_LINK_CHECK_TIMEOUT	(10 * 1000)
 
 #define DP_LINK_CONFIGURATION_SIZE	9