drm/msm/dpu: Remove unneeded semicolon in dpu_plane.c

Fixes coccicheck warning:

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:741:2-3: 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/disp/dpu1/dpu_plane.c

@@ -751,7 +751,7 @@ int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
 	} else {
 		pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
 		pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
-	};
+	}
 
 	DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
 		pstate[R0]->multirect_mode, pstate[R0]->multirect_index);