The binding for DesignWare HS OTG USB 2.0 in Samsung SoCs take only one
compatible.  This fixes dtbs_check warnings like:

  arch/arm/boot/dts/exynos3250-artik5-eval.dt.yaml: hsotg@12480000:
    compatible: ['samsung,s3c6400-hsotg', 'snps,dwc2'] is not valid under any of the given schemas (Possible causes of the failure):

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 arch/arm/boot/dts/exynos3250.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 6d467022d929..78734c132822 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi

@@ -350,7 +350,7 @@
 		};
 
 		hsotg: hsotg@12480000 {
-			compatible = "samsung,s3c6400-hsotg", "snps,dwc2";
+			compatible = "samsung,s3c6400-hsotg";
 			reg = <0x12480000 0x20000>;
 			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cmu CLK_USBOTG>;

-- 
2.17.1


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