pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain

Add entries for the ISP power domain found in the Amlogic G12B SoC

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Tested-by: Daniel Scally <dan.scally@ideasonboard.com>
Link: https://lore.kernel.org/r/20231123-topic-amlogic-upstream-isp-pmdomain-v2-2-61f2fcf709e5@linaro.org


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>