ARM: dts: ti: davinci: Align GPIO hog name with bindings

ARM: dts: ti: davinci: Align GPIO hog name with bindings

Bindings expect GPIO hog names to end with 'hog' suffix, so correct it
to fix dtbs_check warnings like:

  da850-lego-ev3.dtb: batt_volt_en: $nodename:0: 'batt_volt_en' does not match '^.+-hog(-[0-9]+)?$'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/20250116090030.87452-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>