* ramips: mt7621.dtsi: add missing pinctrl to ethernet node

Add rgmii1_pins (1st GMAC) and mdio_pins to ethernet node
pinctrl to ensure they are set to correct mode

* ramips: kernel: ralink-eth support mt7621
Signed-off-by: NChen Minqiang <ptpt52@gmail.com>

* ramips: some devices use ralink-eth driver

Also re-added mt7621 hwnat support for some devices.
Signed-off-by: NChen Minqiang <ptpt52@gmail.com>
Signed-off-by: NAmadeusGhost <amadeus@openjmu.xyz>

* ramips/mt7621: re-added hwnat support
Co-authored-by: NLGA1150 <dqfext@gmail.com>
Co-authored-by: NChen Minqiang <ptpt52@gmail.com>

This commit sync ramips from openwrt master, and revert use caldata.sh
so that wireless for some devices can works.

This reverts commit 9cd0dc0d.

This reverts commit 506e55be.