drm: meson: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/gpu/drm/meson/meson_crtc.c:360:3-4: Unneeded semicolon
drivers/gpu/drm/meson/meson_plane.c:181:2-3: Unneeded semicolon
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1576468701-69717-1-git-send-email-zhengbin13@huawei.com

drivers/gpu/drm/meson/meson_crtc.c

@@ -413,7 +413,7 @@ void meson_crtc_irq(struct meson_drm *priv)
 					    MESON_CANVAS_WRAP_NONE,
 					    MESON_CANVAS_BLKMODE_LINEAR,
 					    MESON_CANVAS_ENDIAN_SWAP64);
-		};
+		}
 
 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
 				priv->io_base + meson_crtc->viu_offset +

drivers/gpu/drm/meson/meson_plane.c

@@ -237,7 +237,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
 		/* For ARGB, use the pixel's alpha */
 		priv->viu.osd1_ctrl_stat2 &= ~OSD_REPLACE_EN;
 		break;
-	};
+	}
 
 	/* Default scaler parameters */
 	vsc_bot_rcv_num = 0;