Merge tag 'u-boot-imx-master-20240122' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

- Allow i.MX8M Plus DHCOM to operate in overdrive mode.
- Allow i.MX8M Plus eDM SBC to operate in overdrive mode.
- Enable the 'kaslrseed' command on DH i.MX8M Plus DHCOM.
- Select LTO by default on i.MX8M.
- Convert pico-dwarf/hobbit-imx6ul to CONFIG_DM_SERIAL.
- Fix 'reset' command on wandboard.