ports:unix: add modubus wrapper for libubus

Author: dxxb

ports/unix/Makefile

@@ -193,6 +193,15 @@ CFLAGS += $(LIBFFI_CFLAGS) -DMICROPY_PY_FFI=1
 LDFLAGS += $(LIBFFI_LDFLAGS)
 endif
 
+ifeq ($(MICROPY_PY_UBUS),1)
+LIBUBUS_LDFLAGS := "-lubus"
+
+CFLAGS += $(LIBUBUS_CFLAGS_MOD) -DMICROPY_PY_UBUS=1
+LDFLAGS += $(LIBUBUS_LDFLAGS)
+SRC_C += modubus.c
+endif
+
+
 ifeq ($(MICROPY_PY_JNI),1)
 # Path for 64-bit OpenJDK, should be adjusted for other JDKs
 CFLAGS += -I/usr/lib/jvm/java-7-openjdk-amd64/include -DMICROPY_PY_JNI=1