Add a DT node for the Round Robin ADC found in the PMI8998 PMIC.
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016180330.1912214-2-caleb.connolly@linaro.org