nvmem: rockchip-efuse: set type to OTP

This device currently reports an "Unknown" type in sysfs.
Since it is an eFuse hardware device, set its type to OTP.

Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240705074852.423202-7-srinivas.kandagatla@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>