configs: change USB_SERIAL to module

Setting USB_SERIAL to be a module instead of being built in allows USB
drivers to only be loaded when a device is connected or requested.

Setting USB_SERIAL to be a module sets other enabled USB_SERIAL_* to be
modules as well.

link: https://microsoft.visualstudio.com/OS/_workitems/edit/48439326
Signed-off-by: Kelsey Steele <kelseysteele@microsoft.com>

Author: kelsey-steele

arch/arm64/configs/config-wsl-arm64

@@ -2861,20 +2861,19 @@ CONFIG_USBIP_VHCI_NR_HCS=1
 #
 # USB port drivers
 #
-CONFIG_USB_SERIAL=y
-# CONFIG_USB_SERIAL_CONSOLE is not set
+CONFIG_USB_SERIAL=m
 # CONFIG_USB_SERIAL_GENERIC is not set
 # CONFIG_USB_SERIAL_SIMPLE is not set
 # CONFIG_USB_SERIAL_AIRCABLE is not set
 # CONFIG_USB_SERIAL_ARK3116 is not set
 # CONFIG_USB_SERIAL_BELKIN is not set
-CONFIG_USB_SERIAL_CH341=y
+CONFIG_USB_SERIAL_CH341=m
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
-CONFIG_USB_SERIAL_CP210X=y
+CONFIG_USB_SERIAL_CP210X=m
 # CONFIG_USB_SERIAL_CYPRESS_M8 is not set
 # CONFIG_USB_SERIAL_EMPEG is not set
-CONFIG_USB_SERIAL_FTDI_SIO=y
+CONFIG_USB_SERIAL_FTDI_SIO=m
 # CONFIG_USB_SERIAL_VISOR is not set
 # CONFIG_USB_SERIAL_IPAQ is not set
 # CONFIG_USB_SERIAL_IR is not set

arch/x86/configs/config-wsl

@@ -2753,20 +2753,19 @@ CONFIG_USBIP_VHCI_NR_HCS=1
 #
 # USB port drivers
 #
-CONFIG_USB_SERIAL=y
-# CONFIG_USB_SERIAL_CONSOLE is not set
+CONFIG_USB_SERIAL=m
 # CONFIG_USB_SERIAL_GENERIC is not set
 # CONFIG_USB_SERIAL_SIMPLE is not set
 # CONFIG_USB_SERIAL_AIRCABLE is not set
 # CONFIG_USB_SERIAL_ARK3116 is not set
 # CONFIG_USB_SERIAL_BELKIN is not set
-CONFIG_USB_SERIAL_CH341=y
+CONFIG_USB_SERIAL_CH341=m
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
-CONFIG_USB_SERIAL_CP210X=y
+CONFIG_USB_SERIAL_CP210X=m
 # CONFIG_USB_SERIAL_CYPRESS_M8 is not set
 # CONFIG_USB_SERIAL_EMPEG is not set
-CONFIG_USB_SERIAL_FTDI_SIO=y
+CONFIG_USB_SERIAL_FTDI_SIO=m
 # CONFIG_USB_SERIAL_VISOR is not set
 # CONFIG_USB_SERIAL_IPAQ is not set
 # CONFIG_USB_SERIAL_IR is not set