mtd: spi-nor-ids: Add Puya Semiconductor chips description

Added support for the Puya Semiconductor chips.

The datasheet can be found here:
https://www.puyasemi.com/h_xilie715.html

Signed-off-by: Dmitry Dunaev <dunaev@tecon.ru>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2 files changed