DT schema expects certain node names, as pointed out but dtbs_check:

  exynos4412-smdk4412.dtb: keypad@100a0000: 'key-A', 'key-B', 'key-C', 'key-D', 'key-E' do not match any of the regexes: '^key-[0-9a-z]+$', 'pinctrl-[0-9]+'

Link: https://lore.kernel.org/r/20240312183105.715735-4-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>