iwlwifi: add new so-gf device

add new so-gf device to the driver.

Signed-off-by: ybaruch <yaara.baruch@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210331121101.d6b0c1f85a7e.I2098ca066607edc48336021ea2e5afdbf8196acf@changeid


Signed-off-by: Luca Coelho <luciano.coelho@intel.com>