Merge branch 'modem-ttys' into 'imx8-4.18-wip'

librem5-evk_defconfig : Enable USB_SERIAL_OPTION for modem TTYs

See merge request Librem5/linux-emcraft!1

arch/arm64/configs/librem5-evk_defconfig

@@ -3727,7 +3727,7 @@ CONFIG_USB_SERIAL_QUALCOMM=m
 # CONFIG_USB_SERIAL_CYBERJACK is not set
 # CONFIG_USB_SERIAL_XIRCOM is not set
 CONFIG_USB_SERIAL_WWAN=m
-# CONFIG_USB_SERIAL_OPTION is not set
+CONFIG_USB_SERIAL_OPTION=m
 # CONFIG_USB_SERIAL_OMNINET is not set
 # CONFIG_USB_SERIAL_OPTICON is not set
 # CONFIG_USB_SERIAL_XSENS_MT is not set