arm: dts: qcom: Update ifc6540 compat for qcom boot format

The ifc6540 is an sbc (single board computer) board, so update
the compatible field accordingly.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andy Gross <agross@codeaurora.org>

arch/arm/boot/dts/qcom-apq8084-ifc6540.dts

@@ -3,7 +3,7 @@
 
 / {
 	model = "Qualcomm APQ8084/IFC6540";
-	compatible = "qcom,apq8084-ifc6540", "qcom,apq8084";
+	compatible = "qcom,apq8084-sbc", "qcom,apq8084";
 
 	aliases {
 		serial0 = &blsp2_uart2;