Release 3.6.3 - USB Host Mode, AP mode fixes, Mac Picotool/OpenOCD improvements

Overview

Adds support for Adafruit TinyUSB Host Mode thanks to @hathach. Bundles and uses USB dylibs on Mac for OpenOCD and Picotool, letting them run on Apple M1/2/3 silicon and not needing any Homebrew prerequisites on Mac-on-Intel.

USB

• Support native USB as host (#1910)

Mac Support

• Update Mac Picotool/OpenOCD to use bundled dylibs (#1922)

WiFi and Ethernet

• Set AP IP address on ::beginAP
• Minor LWIPEthernet cleanup (#1906)
• Use SW random generator for all LWIP (#1892)

Miscellaneous

• Adds definition for WIRE_INTERFACES_COUNT #1182 (#1921)
• Updated listfiles example and added CardInfo example (#1914)
• Add variants_dir support to pio build, allowing local variants in project repos (#1911)
• Correct calculation of totalBlocks() in SD.h and SDFS.h (#1899)
• Clean up FreeRTOS header, include add'l APIs (#1891)