The WM8782 can safely support rates higher than 48kHz by changing the
value of the FSAMPEN pin.

Allow specifying the FSAMPEN pin value in the device tree.
Signed-off-by: John Watts <contact@jookia.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230918131532.2257615-4-contact@jookia.orgSigned-off-by: Mark Brown <broonie@kernel.org>