doc: board: ti: Add optee rng support

J722S has hw rng, which can be used by OPTEE.
So remove option to use SW TRNG by OPTEE.

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
1 file changed