i.MX fixes for 6.6:

- A couple of i.MX8MP device tree changes from Adam Ford to fix clock
  configuration regressions caused by 16c98452 ("arm64: dts: imx8mp:
  don't initialize audio clocks from CCM node").
- Fix pmic-irq-hog GPIO line in imx93-tqma9352 device tree.
- Fix a mmemory leak with error handling path of imx_dsp_setup_channels()
  in imx-dsp driver.
- Fix HDMI node in imx8mm-evk device tree.
- Add missing clock enable functionality for imx8mm_soc_uid() function
  in soc-imx8m driver.
- Add missing imx8mm-prt8mm.dtb build target.