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PM8019 provides 6 GPIOs. Add a compatible to support that.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211112115342.17100-2-konrad.dybcio@somainline.org

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>