drm/msm/hdmi: fix semicolon.cocci warnings

Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c

@@ -769,7 +769,7 @@ static int msm_hdmi_hdcp_auth_part1_key_exchange(struct hdmi_hdcp_ctrl *hdcp_ctr
 	if (rc) {
 		pr_err("%s: wait key and an ready failed\n", __func__);
 		return rc;
-	};
+	}
 
 	/* Read BCAPS and send to HDCP engine */
 	rc = msm_hdmi_hdcp_recv_bcaps(hdcp_ctrl);