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ASoC: dt-bindings: fsl-esai: Remove 'fsl,*' from required list

fsl,fifo-depth have default value 64 in driver(sound/soc/fsl/fsl_esai.c).

fsl,esai-synchronous is flag(bool) type. It doesn't make sense to put flag
type into 'required'.

Fix warning:

arch/arm/boot/dts/nxp/imx/imx6q-sabreauto.dtb: esai@2024000: 'fsl,fifo-depth' is a required property
arch/arm/boot/dts/nxp/imx/imx6q-sabreauto.dtb: esai@2024000: 'fsl,esai-synchronous' is a required property

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240416-esai_arm_dts_warning-v2-1-879e59c0c3b8@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

authored by

Frank Li and committed by
Mark Brown 5894ff6c 4b73a4cd

+1 -2
+1 -2
Documentation/devicetree/bindings/sound/fsl,esai.yaml
··· 67 67 68 68 fsl,fifo-depth: 69 69 $ref: /schemas/types.yaml#/definitions/uint32 70 + default: 64 70 71 description: 71 72 The number of elements in the transmit and receive 72 73 FIFOs. This number is the maximum allowed value for ··· 96 95 - clock-names 97 96 - dmas 98 97 - dma-names 99 - - fsl,fifo-depth 100 - - fsl,esai-synchronous 101 98 102 99 unevaluatedProperties: false 103 100