Support Add spi-nor chip EN25QH32. JEDEC is 1c7016.
Can't boot issue, new revision hardware is EN25QH32 flash chip.
example, MZK-DP150N (ramips).
https://bugs.openwrt.org/index.php?do=details&task_id=1534
Signed-off-by: YuheiOKAWA <tochiro.srchack@gmail.com>
