ASoC: dt-bindings: tlv320adc3xxx: Fix incorrect GPIO description

Fix the description for the ti,dmdin-gpio1 and ti,dmclk-gpio2
properties to correctly describe that when configured as general
purpose outputs (ADC3XXX_GPIO_GPO), the pins are available via
the GPIO framework.
Signed-off-by: Ricard Wanderlof <ricard.wanderlof@axis.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://msgid.link/r/20240528-tlv320adc3xxx-dt-gpio-fix-v1-1-209fb2c2f86f@axis.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml

@@ -58,8 +58,8 @@ properties:
     description: |
       Configuration for DMDIN/GPIO1 pin.
 
-      When ADC3XXX_GPIO_GPO is configured, this causes corresponding the
-      ALSA control "GPIOx Output" to appear, as a switch control.
+      When ADC3XXX_GPIO_GPO is selected, the pin may be controlled via the
+      GPIO framework, as pin number 0 on the device.
 
   ti,dmclk-gpio2:
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -76,8 +76,8 @@ properties:
     description: |
       Configuration for DMCLK/GPIO2 pin.
 
-      When ADC3XXX_GPIO_GPO is configured, this causes corresponding the
-      ALSA control "GPIOx Output" to appear, as a switch control.
+      When ADC3XXX_GPIO_GPO is selected, the pin may be controlled via the
+      GPIO framework, as pin number 1 on the device.
 
       Note that there is currently no support for reading the GPIO pins as
       inputs.