drm/rockchip: inno_hdmi: Switch to HDMI connector

The new HDMI connector infrastructure allows to remove some boilerplate,
especially to generate infoframes. Let's switch to it.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Andy Yan <andyshrk@163.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527-kms-hdmi-connector-state-v15-28-c5af16c3aae2@kernel.orgSigned-off-by: Maxime Ripard <mripard@kernel.org>

drivers/gpu/drm/rockchip/Kconfig

@@ -74,6 +74,9 @@ config ROCKCHIP_DW_MIPI_DSI
 
 config ROCKCHIP_INNO_HDMI
 	bool "Rockchip specific extensions for Innosilicon HDMI"
+	select DRM_DISPLAY_HDMI_HELPER
+	select DRM_DISPLAY_HDMI_STATE_HELPER
+	select DRM_DISPLAY_HELPER
 	help
 	  This selects support for Rockchip SoC specific extensions
 	  for the Innosilicon HDMI driver. If you want to enable