qcom_defconfig: enable PINCONF

The SM8550 and SM8650 SoCs requires PINCONF to properly
setup SDC pins in order to function correctly.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/configs/qcom_defconfig b/configs/qcom_defconfig
index ea0dd3e..3ffc650 100644
--- a/configs/qcom_defconfig
+++ b/configs/qcom_defconfig
@@ -81,6 +81,7 @@
 CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=y
 CONFIG_PHY_QCOM_SNPS_EUSB2=y
 CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
 CONFIG_PINCTRL_QCOM_APQ8016=y
 CONFIG_PINCTRL_QCOM_APQ8096=y
 CONFIG_PINCTRL_QCOM_QCM2290=y