configs: dragonboard820c: Enable pinctrl/mux config

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
diff --git a/configs/dragonboard820c_defconfig b/configs/dragonboard820c_defconfig
index b2b59e1..9008658 100644
--- a/configs/dragonboard820c_defconfig
+++ b/configs/dragonboard820c_defconfig
@@ -31,6 +31,8 @@
 CONFIG_DM_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_MSM=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_PM8916=y
 CONFIG_MSM_SERIAL=y