arm64: dts: qcom: sm8250: further split of spi pinctrl config

Split "default" device tree nodes into common "data-clk" nodes and "cs"
nodes which might differ from board to board depending on how the slave
chips are wired.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210210133458.1201066-3-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/qrb5165-rb5.dts

@@ -948,6 +948,8 @@ codec {
 /* CAN */
 &spi0 {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&qup_spi0_data_clk>, <&qup_spi0_cs>;
 
 	can@0 {
 		compatible = "microchip,mcp2518fd";
@@ -1350,7 +1352,12 @@ &vamacro {
 };
 
 /* PINCTRL - additions to nodes defined in sm8250.dtsi */
-&qup_spi0_default {
+&qup_spi0_cs {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&qup_spi0_data_clk {
 	drive-strength = <6>;
 	bias-disable;
 };