drm/amd/dc: fix semicolon.cocci warnings

Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -135,7 +135,7 @@ static void update_num_audio(
 		break;
 	default:
 		DC_ERR("DC: unexpected audio fuse!\n");
-	};
+	}
 }
 
 bool resource_construct(