drm/dp: Increase eDP display control capability size

Increase the eDP display control capability size to take into
account the general capability register 703 and 704 that have
recently been added.

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250206063253.2827017-3-suraj.kandpal@intel.com

Author: surajk8

include/drm/display/drm_dp.h

@@ -1656,7 +1656,7 @@ enum drm_dp_phy {
 #define DP_RECEIVER_CAP_SIZE		0xf
 #define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
 #define EDP_PSR_RECEIVER_CAP_SIZE	2
-#define EDP_DISPLAY_CTL_CAP_SIZE	3
+#define EDP_DISPLAY_CTL_CAP_SIZE	5
 #define DP_LTTPR_COMMON_CAP_SIZE	8
 #define DP_LTTPR_PHY_CAP_SIZE		3