rp2xxx: Add support for assembling RP2350-specific PIO #31

Job	Run time
Build Website	21s
Build Examples (espressif/esp)	2m 11s
Check that stm32 generated code is up to date	36s
Dry Run Packaging	1m 5s
Build Examples (gigadevice/gd32)	2m 14s
Build Examples (microchip/avr)	2m 16s
Unit Test Ports (ubuntu-latest, gigadevice/gd32)	16s
Build Examples (microchip/atsam)	1m 57s
Unit Test Ports (ubuntu-latest, raspberrypi/rp2xxx)	34s
Unit Test Regz (ubuntu-latest)	17s
Build Examples (nordic/nrf5x)	2m 6s
Unit Test UF2 (ubuntu-latest)	20s
Unit Test Ports (ubuntu-latest, stmicro/stm32)	20s
Unit Test Regz (windows-latest)	1m 31s
Build Examples (nxp/lpc)	2m 15s
Unit Test UF2 (windows-latest)	51s
Unit Test Ports (windows-latest, gigadevice/gd32)	56s
Unit Test Regz (macos-latest)	31s
Unit Test UF2 (macos-latest)	28s
Build Examples (stmicro/stm32)	21s
Unit Test Ports (windows-latest, raspberrypi/rp2xxx)	1m 13s
Build Examples (raspberrypi/rp2xxx)	2m 5s
Unit Test Ports (windows-latest, stmicro/stm32)	1m 12s
Build Examples (wch/ch32v)	2m 20s
Unit Test Ports (macos-latest, gigadevice/gd32)	37s
Unit Test Ports (macos-latest, raspberrypi/rp2xxx)	31s
Unit Test Ports (macos-latest, stmicro/stm32)	29s
	29m 53s

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