Add Support for non-constant stride field arrays. (STM32) #192

Job	Run time
Unit Test UF2 (ubuntu-latest)	17s
Unit Test Regz (ubuntu-latest)	29s
Unit Test UF2 (windows-latest)	1m 23s
Unit Test Regz (windows-latest)	1m 23s
Unit Test UF2 (macos-latest)	25s
Unit Test Regz (macos-latest)	39s
Build (ubuntu-latest)	32s
Build (windows-latest)	1m 34s
Build Examples (espressif/esp)	2m 19s
Build (macos-latest)	42s
Build Website	25s
Build Examples (gigadevice/gd32)	2m 8s
Build Examples (microchip/avr)	2m 7s
Dry Run Packaging	2m 17s
Build Examples (microchip/atsam)	1m 59s
Check that stm32 generated code is up to date	1m 22s
Unit Test Ports (ubuntu-latest, gigadevice/gd32)	18s
Unit Test Ports (ubuntu-latest, raspberrypi/rp2xxx)	20s
Build Examples (nordic/nrf5x)	2m 7s
Unit Test Ports (ubuntu-latest, stmicro/stm32)	20s
Build Examples (nxp/lpc)	2m 4s
Unit Test Ports (windows-latest, gigadevice/gd32)	1m 18s
Build Examples (stmicro/stm32)	29s
Unit Test Ports (windows-latest, raspberrypi/rp2xxx)	1m 10s
Unit Test Ports (windows-latest, stmicro/stm32)	1m 38s
Build Examples (raspberrypi/rp2xxx)	2m 23s
Unit Test Ports (macos-latest, gigadevice/gd32)	37s
Build Examples (wch/ch32v)	2m 15s
Unit Test Ports (macos-latest, raspberrypi/rp2xxx)	37s
Unit Test Ports (macos-latest, stmicro/stm32)	31s
	36m 8s

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