genpd: rockchip: Add PD_VO entry for rv1126

PD_VO power-domain entry in RV1126 are connected to
- BIU_VO
- VOP
- RGA
- IEP
- DSIHOST

Add an entry for it.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20230731110012.2913742-2-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

drivers/genpd/rockchip/pm-domains.c

@@ -976,6 +976,7 @@ static const struct rockchip_domain_info px30_pm_domains[] = {
 static const struct rockchip_domain_info rv1126_pm_domains[] = {
 	[RV1126_PD_VEPU]	= DOMAIN_RV1126("vepu", BIT(2),  BIT(9),  BIT(9), false),
 	[RV1126_PD_VI]		= DOMAIN_RV1126("vi", BIT(4),  BIT(6),  BIT(6),  false),
+	[RV1126_PD_VO]		= DOMAIN_RV1126("vo", BIT(5),  BIT(7),  BIT(7),  false),
 	[RV1126_PD_ISPP]	= DOMAIN_RV1126("ispp", BIT(1), BIT(8), BIT(8),  false),
 	[RV1126_PD_VDPU]	= DOMAIN_RV1126("vdpu", BIT(3), BIT(10), BIT(10), false),
 	[RV1126_PD_NVM]		= DOMAIN_RV1126("nvm", BIT(7), BIT(11), BIT(11),  false),