configs/orangepi_zero2w: new board

configs/orangepi_zero2w: new board

This patch adds basic support for the new OrangePi Zero2W board:
- http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-Zero-2W.html

Brief summary of the board features:
- H618 Allwinner SoC
  - Quad-Core ARM Cortex-A53 Processor 1.5GHz
  - Mali G31 MP2 GPU
- LPDDR4: 1GB/2GB/4GB
- Wi-Fi5.0+BT 5.0
- 2x Type-C USB 2.0
- 1x Mini HDMI
- Wi-Fi 5.0 + BT 5.0
- 40-pin expansion interface (GPIO / UART / I2C / SPI / PWM)
- 24-pin expansion interface (2x USB 2.0 / ETH / IR / audio)

BSP includes the following components:
- mainline ATF v2.10
- mainline U-Boot v2024.04
- mainline Linux kernel v6.8

No custom scripts required: all is covered by common orangepi scripts.
However new option BR2_DOWNLOAD_FORCE_CHECK_HASHES requires checksums
for all the BSP components. They are added as board specific patches.

Signed-off-by: Sergey Matyukevich <[email protected]>
Signed-off-by: Thomas Petazzoni <[email protected]>