arm64: dts: qcom: ipq6018-cp01-c1: use BLSPI1 pins

When BLSPI1 (originally SPI0, later renamed in commit f82c48d4
("arm64: dts: qcom: ipq6018: correct QUP peripheral labels")) was added,
the device node lacked respective pin configuration assignment.

Fixes: 5bf63562 ("arm64: dts: ipq6018: Add a few device nodes")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221006124659.217540-2-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts

@@ -37,6 +37,8 @@ &blsp1_i2c3 {
 
 &blsp1_spi1 {
 	cs-select = <0>;
+	pinctrl-0 = <&spi_0_pins>;
+	pinctrl-names = "default";
 	status = "okay";
 
 	flash@0 {