[IPL/DDR]
- Update H3, M3, M3N DDR setting rev.0.40.

Signed-off-by: Chiaki Fujii <chiaki.fujii.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> # upstream update
Change-Id: If675796a2314e769602af21bf5cc6b10962d4f29

[IPL/DDR]
- Update H3, M3, M3N DDR setting rev.0.39.

Signed-off-by: Chiaki Fujii <chiaki.fujii.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> # upstream update
Change-Id: I0dbf8091f9de9bb6d2d4f94007a5813fff14789f

[IPL/DDR]
- Update H3, M3, M3N DDR setting rev.0.38.

Signed-off-by: Chiaki Fujii <chiaki.fujii.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> # upstream update
Change-Id: I49cf8f778b849a6ee97bc9f6948c45b07dc467b1

Now that DDR drivers are mostly cleaned up , move them out of staging.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I9de63f847a0ef9ac27a79fb0f848c351fd7f4da6