PiZZa v0.4.1 — USB-CDC on the Pi Zero W

USB-CDC console comes to the original Pi Zero W.

What's new since v0.4.0

• USB-CDC on the Pi Zero W. The original 2017 Pi Zero W now boots
  PizzaShell with its shell on USB CDC ACM (/dev/cu.usbmodem*),
  matching the 2W's single-cable experience. Boot logs + LOG_* stay
  on the AUX mini-UART. New DT nodes in bcm2835.dtsi (VC mailbox +
  firmware + DWC2 USB) share the upstream-clean rpi_fw API the
  v0.4.0 convergence introduced — pure DT + Kconfig wiring on the
  PizzaShell side, no driver code added.
• Console / Logs labels gated on CDC. The pizza panel's
  Console and Logs lines now reflect whether
  CONFIG_USBD_CDC_ACM_CLASS is enabled, instead of being hardcoded
  per SoC. Same source, both boards.

Flash

Standard PiZZa workflow — see the README
for SD imaging via PINN and install-to-sdcard.sh.

Two binaries:

• pizza-v0.4.1-rpi_zero_w.bin — original Pi Zero W (BCM2835, ARMv6), USB-CDC console
• pizza-v0.4.1-rpi_zero_2w.bin — Pi Zero 2 W (BCM2710, AArch64), behaviorally identical to v0.4.0