drm/amd/display: Remove unneeded semicolon in bios_parser2.c

Fixes coccicheck warning:

drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c:995:2-3: Unneeded semicolon
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c

@@ -992,7 +992,7 @@ static uint32_t get_support_mask_for_device_id(struct device_id device_id)
 		break;
 	default:
 		break;
-	};
+	}
 
 	/* Unidentified device ID, return empty support mask. */
 	return 0;