mtd: spi-nor: micron-st: convert flash_info to new format

The INFOx() macros are going away. Convert the flash_info database to
the new format.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20230807-mtd-flash-info-db-rework-v3-25-e60548861b10@kernel.orgSigned-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>