The davinci McBSP (davinci-i2s) driver does not implement the set_sysclk
callback, which is fine and should not be treated as error.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20190830103841.25128-5-peter.ujfalusi@ti.comSigned-off-by: Mark Brown <broonie@kernel.org>