drm/bridge: adv7511: Switch to atomic operations

drm/bridge: adv7511: Switch to atomic operations

Use the atomic version of enable/disable.

To support bridges where bus format negotiation is needed such as TIDSS we
need to implement atomic_get_input_bus_fmts, prepare the driver for this by
switching the existing operations to it's atomic variants.

Signed-off-by: Jesse Van Gavere <jesseevg@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250106121054.96739-1-jesseevg@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>