Add Raspberry Pi Zero W and Zero 2 W

These are different Broadcom chips. The peripherals are essentially
the same. The main differences are:
* The CPU(s)
* The interrupt controller
* The peripheral base address (but not the peripherals that we use)

1 files changed, 0 insertions, 0 deletions

diff --git a/hw/mcu/broadcom b/hw/mcu/broadcom
-Subproject 5bff1d5e02c37c38ee1e5cf3f7fe82fdc7e1517
+Subproject 08370086080759ed54ac1136d62d2ad24c6fa26