clk: lochnagar: Update DT binding doc to include the primary SPDIF MCLK

This clock was missed when the binding was initially merged but is
supported by the driver, so add it to the binding document.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Charles Keepax 2019-06-27 09:55:17 +01:00 • committed by Stephen Boyd
commit f9d3fb22ab