add 4.0 separate file

mk/modules-4.0.mk

@@ -0,0 +1,6 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+USBMODULES+=drivers/usb/common/usb-common
+USBMODULES+=drivers/usb/core/usbcore
+USBUDC:=gadget/udc

mk/modules.mk

@@ -1,6 +1,10 @@
 # This file is part of the OpenADK project. OpenADK is copyrighted
 # material, please see the LICENCE file in the top-level directory.
 
+ifeq ($(ADK_KERNEL_VERSION_4_0),y)
+include $(ADK_TOPDIR)/mk/modules-4.0.mk
+endif
+
 ifeq ($(ADK_KERNEL_VERSION_3_19),y)
 include $(ADK_TOPDIR)/mk/modules-3.19.mk
 endif