dt-bindings: nvmem: rockchip,otp: Add compatible for RK3528

dt-bindings: nvmem: rockchip,otp: Add compatible for RK3528

Add compatible string for the OTP controller in RK3528. Compared to the
RK3562 and RK3568 the OTP in RK3528 does not have a phy clock or reset.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260327131751.3026030-6-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>