The delay units inside the LRADC depend on the presence of a 2 kHz clock.
This change enables the clock to be able to use the delay unit for the
touchscreen part of the driver.
Signed-off-by: NJuergen Beisert <jbe@pengutronix.de>
Tested-by: NMarek Vasut <marex@denx.de>
Acked-by: NMarek Vasut <marex@denx.de>
Tested-by: NLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>