clk: rockchip: rk3576: define clk_otp_phy_g

The phy clock of the OTP block is also present, but was not defined
so far. Though its clk-id already existed, so just define its location.

Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250210224510.1194963-2-heiko@sntech.de


Signed-off-by: Heiko Stuebner <heiko@sntech.de>