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

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>