drivers: flash: mcux: fix read for LPC55XXX

[wilkinsw]

The soc_flash_mcux.c driver only invokes the HAL function for a flash read when CONFIG_SOC_LPC55S36 is defined. When using another chip in the series (LPC55S16 in my case) the FLASH_Read() call was not being used. This causes the flash driver to trigger a hard fault if the target flash area is uninitialized.

This change broadens the guard to instead use CONFIG_SOC_SERIES_LPC55XXX. This is one symbolic level up from (and is selected by) SOC_LPC55S36 as well as the other SOCs in that series which uses this driver.

The Kconfig for the symbol is here:
https://github.com/zephyrproject-rtos/zephyr/blob/main/soc/nxp/lpc/lpc55xxx/Kconfig.soc#L4

[github-actions]

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[wilkinsw]

I opened this from main, closing to reopen from a feature branch.

[sonarqubecloud]

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