arm64: dts: ti: k3-am62p: Enable AUDIO_REFCLKx

On AM62P-based SoCs the AUDIO_REFCLKx clocks can be used as an input to
external peripherals when configured through CTRL_MMR, so add the
clock nodes.

Link: http://downloads.ti.com/tisci/esd/latest/5_soc_doc/am62px/clocks.html


Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20250206153911.414702-1-francesco@dolcini.it


Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>