Merge pull request adafruit#438 from mebs/cm4_iic

Added internal I2C bus for the CM4

Merge pull request adafruit#434 from makermelissa/master

Add a None check for PWMOut deinit

Merge pull request adafruit#429 from thomoray/add-rockpi4c-support

Add rockpi4c support

Merge pull request adafruit#427 from dhalbert/delay_us

add microcontroller.delay_us()

Merge pull request adafruit#426 from twa127/master

SPI Support for Allwinner H5 and H616

Merge pull request adafruit#421 from anhmiuhv/tx2_nx

Add support for NVIDIA TX2 NX

Merge pull request adafruit#418 from makermelissa/master

Fix recent RaspiOS not installing RPi.GPIO

Merge pull request adafruit#416 from thijstriemstra/patch-1

bump minimum version for Adafruit-PlatformDetect

Merge pull request adafruit#413 from twa127/master

Add Support for OrangePi Zero2 H616

Merge pull request adafruit#409 from b0hne/nanopi-duo2

adds pin PG11 i2c, spi, serialUART support for nanoPi Duo2