clk: mediatek: add support for APMIXED parent in infra MUX

Add support for APMIXED parent in infra MUX. This is the case for mt7622
that reference APMIXED parents for the MUX1_SEL clock.

We assume the second level parent is always APMIXED.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
1 file changed