The i2s related clock support is missing from the existing zx296718
clock driver. This patch adds it, so that the upstream ZX I2S driver
can work out.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>