soc: imx: gpcv2: keep i.MX8MM VPU-H1 bus clock active

Enable the vpu-h1 clock when the domain is active because reading
or writing to the VPU-H1 IP block cause the system to hang.

Fixes: 656ade7a ("soc: imx: gpcv2: keep i.MX8M* bus clocks enabled")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>