[PATCH] firmware: ti_sci: set IO Isolation only if the firmware is capable

[Kevin Hilman]

"Thomas Richard (TI.com)" <thomas.richard at bootlin.com> writes:

> Add the IO_ISOLATION firmware capability, and set IO Isolation during
> suspend only if the firmware is capable.
>
> Fixes: ec24643bdd62 ("firmware: ti_sci: Add system suspend and resume call")
> Signed-off-by: Thomas Richard (TI.com) <thomas.richard at bootlin.com>

Reviewed-by: Kevin Hilman <khilman at baylibre.com>