CAN_ISOTP: wire up to kconfig/makefile

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

net/can/Kconfig

@@ -55,6 +55,16 @@ config CAN_GW
 
 source "net/can/j1939/Kconfig"
 
+config CAN_ISOTP
+	tristate "ISO 15765-2:2016 CAN transport protocol"
+	default y
+	---help---
+	  ISO 15765-2 CAN transport protocol for protocol family CAN
+
+	  This implementation is already widely used in automotive use-cases, e.g.
+	  for UDS based OBD diagnosis. Although some small adaptions may be applied
+	  to make it ready for Linux Mainline. Feedback is welcome.
+
 source "drivers/net/can/Kconfig"
 
 endif

net/can/Makefile

@@ -16,4 +16,7 @@ can-bcm-y		:= bcm.o
 obj-$(CONFIG_CAN_GW)	+= can-gw.o
 can-gw-y		:= gw.o
 
+obj-$(CONFIG_CAN_ISOTP)	+= can-isotp.o
+can-isotp-y		:= isotp.o
+
 obj-$(CONFIG_CAN_J1939)	+= j1939/