clk: meson: g12a: add CSI & ISP gates clocks

Add the gates entries for the CSI ISP domain and CSI PHYs.

[jbrunet: fixed checkpatch spelling warning]
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/20231114-topic-amlogic-upstream-isp-clocks-v1-3-223958791501@linaro.org


Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>