drivers: flash_nxp_s32: create common source code

Create common source code to use for supporting HyperFlash.

Rename 'FLASH_NXP_S32_QSPI_NOR_SFDP_RUNTIME' to
'FLASH_NXP_S32_QSPI_SFDP_RUNTIME' as a common kconfig.

Add the 'max-program-buffer-size' property to use for
setting memory pageSize, instead of using
'CONFIG_FLASH_NXP_S32_QSPI_LAYOUT_PAGE_SIZE' for setting.

Add the 'write-block-size' propertyto use for setting
the number of bytes used in write operations, it also
uses to instead of the 'memory-alignment' property.

Signed-off-by: Cong Nguyen Huu <cong.nguyenhuu@nxp.com>