arm64: dts: qcom: qcs404: Fix sdhci compat string

As per the bindings, the SDHCI controller should have a SoC-specific
compatible string in addition to the generic version-based one.  Add
it.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Fixes: 7241ab94 ("arm64: dts: qcom: qcs404: Add sdcc1 node")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200127082331.1.I402470e4a162d69fde47ee2ea708b15bde9751f9@changeidSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -685,7 +685,7 @@ pcie_phy: phy@7786000 {
 		};
 
 		sdcc1: sdcc@7804000 {
-			compatible = "qcom,sdhci-msm-v5";
+			compatible = "qcom,qcs404-sdhci", "qcom,sdhci-msm-v5";
 			reg = <0x07804000 0x1000>, <0x7805000 0x1000>;
 			reg-names = "hc_mem", "cmdq_mem";