diff --git a/target/linux/ath79/config-4.19 b/target/linux/ath79/config-4.19
index d92da1f..5284d68 100644
--- a/target/linux/ath79/config-4.19
+++ b/target/linux/ath79/config-4.19
@@ -199,6 +199,7 @@ CONFIG_PHYLIB=y
 # CONFIG_PHY_AR7200_USB is not set
 # CONFIG_PHY_ATH79_USB is not set
 CONFIG_PINCTRL=y
+CONFIG_PLUGIN_HOSTCC="g++"
 CONFIG_RATIONAL=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_MMIO=y
@@ -209,6 +210,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=1
 CONFIG_SERIAL_AR933X=y
 CONFIG_SERIAL_AR933X_CONSOLE=y
 CONFIG_SERIAL_AR933X_NR_UARTS=2
+CONFIG_SERIAL_MCTRL_GPIO=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SPI=y
 CONFIG_SPI_AR934X=y