[PATCH 4/4] clk: imx95-blk-ctl: Add one clock mux for HSIO block

[Peng Fan]

> Subject: [PATCH 4/4] clk: imx95-blk-ctl: Add one clock mux for HSIO
> block
> 
> The GPR_REG0 register has an USB_PHY_REF_CLK_SEL (bit 6) to select
> USB 3.0 PHY reference clock.
> 
> USB_PHY_REF_CLK_SEL:
> bit[6]   - 0b 24 MHz external oscillator
>          - 1b 100 MHz high performance PLL
> 
> Add a clock multiplexer to support USB3.0 PHY clock selection.
> 
> Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>

Reviewed-by: Peng Fan <peng.fan at nxp.com>