drm/msm/hdmi: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/gpu/drm/msm/hdmi/hdmi_connector.c:104:3-4: Unneeded semicolon
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

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

@@ -101,7 +101,7 @@ static int gpio_config(struct hdmi *hdmi, bool on)
 
 				gpiod_set_value_cansleep(gpio.gpiod, value);
 			}
-		};
+		}
 
 		DBG("gpio off");
 	}