Summary: - This commit applies the changes from imxrt - See 3a4542f3c4aa471e7ea056a50da9601ecd35ebda Impact: - imx6 ethernet with d-cache Testing: - Tested with imx6_with_ar8031 (will be added later) Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>