ASoC: dt-bindings: nvidia: Fix 'lge' vendor prefix

The documented vendor prefix for LG Electronics is 'lg' not 'lge'. Just
change the example to 'lg' as there doesn't appear to be any dependency
on the existing compatible string.

Signed-off-by: Rob Herring <[e-mail]>
Link: https://msgid.link/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max9808x.yaml

···
     #include <dt-bindings/clock/tegra30-car.h>
     #include <dt-bindings/soc/tegra-pmc.h>
     sound {
-        compatible = "lge,tegra-audio-max98089-p895",
+        compatible = "lg,tegra-audio-max98089-p895",
                      "nvidia,tegra-audio-max98089";
         nvidia,model = "LG Optimus Vu MAX98089";