Revert "ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek"

Revert "ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek"

This reverts commit bc7d0133181e5f33ac33ca4f6bb2bce876c8ad88 which is
commit c775cbf62ed4911e4f0f23880f01815753123690 upstream.

It is reported to cause problems, so drop it from the 5.15.y tree for now.

Link: https://lore.kernel.org/r/845b3053-d47b-4717-9665-79b120da133b@sirena.org.uk
Reported-by: Mark Brown <broonie@kernel.org>
Cc: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>