sa1111_set_io() already contains the necessary locking within itself
to safely change the state of a set of GPIOs.  There's no need for
callers to protect this by disabling IRQs themselves.
Acked-by: NDominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>