rp2350: Fix GlobalConfig for uart, rename func to match rp2040 #303

Job	Run time
Build Website	21s
Dry Run Packaging	1m 15s
Build Examples (espressif/esp)	2m 12s
Build (ubuntu-latest)	28s
Build Examples (gigadevice/gd32)	2m 20s
Build (windows-latest)	2m 0s
Check that stm32 generated code is up to date	45s
Build Examples (microchip/avr)	2m 24s
Unit Test Ports (ubuntu-latest, gigadevice/gd32)	17s
Build (macos-latest)	41s
Unit Test Ports (ubuntu-latest, raspberrypi/rp2xxx)	22s
Build Examples (microchip/atsam)	1m 57s
Unit Test Ports (ubuntu-latest, stmicro/stm32)	14s
Build Examples (nordic/nrf5x)	1m 59s
Unit Test Regz (ubuntu-latest)	24s
Unit Test UF2 (ubuntu-latest)	16s
Unit Test Ports (windows-latest, gigadevice/gd32)	1m 1s
Build Examples (nxp/lpc)	2m 3s
Unit Test Regz (windows-latest)	1m 21s
Unit Test UF2 (windows-latest)	1m 56s
Unit Test Ports (windows-latest, raspberrypi/rp2xxx)	1m 37s
Build Examples (stmicro/stm32)	17s
Unit Test Regz (macos-latest)	30s
Unit Test UF2 (macos-latest)	28s
Unit Test Ports (windows-latest, stmicro/stm32)	1m 5s
Build Examples (raspberrypi/rp2xxx)	2m 37s
Build Examples (wch/ch32v)	2m 27s
Unit Test Ports (macos-latest, gigadevice/gd32)	30s
Unit Test Ports (macos-latest, raspberrypi/rp2xxx)	42s
Unit Test Ports (macos-latest, stmicro/stm32)	42s
	35m 11s

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