clk: rockchip: make rk3188 hclk_vio_bus critical

Vop register access request hclk_vio_bus.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

drivers/clk/rockchip/clk-rk3188.c

@@ -757,7 +757,8 @@ static const char *const rk3188_critical_clocks[] __initconst = {
 	"hclk_peri",
 	"pclk_cpu",
 	"pclk_peri",
-	"hclk_cpubus"
+	"hclk_cpubus",
+	"hclk_vio_bus",
 };
 
 static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np)