PMC8380 is a new PMIC used with X1 SoCs. Document it
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240525-topic-pmc8380_gpio-v2-1-2de50cb28ac1@linaro.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>