arm64: dts: ti: verdin-am62: dahlia: add sound card

Add WM8904 based analog sound card to Dahlia carrier board.

Reviewed-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230807202159.13095-5-francesco@dolcini.it


Signed-off-by: Nishanth Menon <nm@ti.com>