BPI-CM4: In accordance with the BSP DTS, set LED gpio to GPIO_ACTIVE_LOW. Added default-on trigger to led-green Board now powers off, added reboot node 'meson64-reboot'.

CONFIG_POWER_RESET_MESON64 Isolated RESET ODROID driver and renamed to MESON64 as it can be used in more than ODROIDS.

MESON UART Series improves support for UART attached Bluetooth modules on Amlogic Meson G12A and newer SoCs. These SoCs also support the "divide XTAL by 2" bit which (greatly) reduces jitter when generating baud rates such as 1500000 (which is used by the Bluetooth part of the RTL8822CS SDIO WiFi and UART Bluetooth combo chip).

Jira reference number [AR-9999]

How Has This Been Tested?

This has been tested on the BPI-CM4 IO and X96-AIR (X96-AIR to check the Bluetooth). The Meson64 Reset Driver in my testing works on the C4 and N2's, so if some one was so inclined they could add the node.

Checklist:

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [ ] Any dependent changes have been merged and published in downstream modules

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