ARM: dts: am335x-evm: Correct the regulators for the audio codec

ARM: dts: am335x-evm: Correct the regulators for the audio codec

BugLink: https://bugs.launchpad.net/bugs/1828415
commit 4f96dc0a3e79ec257a2b082dab3ee694ff88c317 upstream.

Correctly map the regulators used by tlv320aic3106.
Both 1.8V and 3.3V for the codec is derived from VBAT via fixed regulators.

Cc: <Stable@vger.kernel.org> # v4.14+
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>