clk: imx8mp: Fill in DWC3 USB, USB PHY, HSIOMIX clock

Add clock tables required to bring up DWC3 USB, USB PHY and HSIOMIX domain.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>