greybus: arche-apb-ctrl: Rename ara,init-disable => arche,init-disable

Inline with other properties used for arche-platform driver,
rename ara,init-disable => arche,init-disable.

Testing Done: Boot tested on EVT2 platform

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>