arm64: dts: qcom: align PMIC GPIO pin configuration with DT schema

DT schema expects PMIC GPIO pin configuration nodes to be named with
'-state' suffix:

  qcom/sc7280-herobrine-crd.dtb: pmic@2: gpio@8800: 'edp-bl-reg-en' does not match any of the regexes: '-state$', 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220828084341.112146-11-krzysztof.kozlowski@linaro.org