DTS property attributes are (by default) not required.
Explicitly specifying `required: false` is redundant.
Perhaps a warning to that effect would be useful.
Signed-off-by: Chris Friedt <cfriedt@meta.com>
Use the clock control API to turn on ADC clocks. Note that clock
selection is not yet implemented, so we still rely on custom rcu
properties for that.
Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
Fabio Baltieri