nvmem: rockchip-otp: add rk3576 variant data

nvmem: rockchip-otp: add rk3576 variant data

[ Upstream commit 50d75a13a9ce880a5ef07a4ccc63ba561cc2e69a ]

The variant works very similar to the rk3588, just with a different
read-offset and size.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20250411112251.68002-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>