added wakaama pkg

pkg/wakaama/Makefile

+PKG_NAME=wakaama
+PKG_URL=git://github.com/eclipse/wakaama.git
+PKG_VERSION=69a32cfae39f66fe4eec4cc8d1cd48ced7ad447c
+PKG_DIR=$(CURDIR)/$(PKG_NAME)
+PKG_TEMP_DIR=$(CURDIR)/temp
+
+.PHONY: all clean patch
+
+all: patch
+	"$(MAKE)" -C $(PKG_DIR)
+
+patch: $(PKG_DIR)/Makefile
+
+$(PKG_DIR)/Makefile: $(PKG_TEMP_DIR)/.git/config
+	echo 'include $$(RIOTBASE)/Makefile.base' > $(PKG_DIR)/Makefile
+
+$(PKG_TEMP_DIR)/.git/config:
+	test -d "$(PKG_TEMP_DIR)" || git clone "$(PKG_URL)" "$(PKG_TEMP_DIR)"; \
+		cd "$(PKG_TEMP_DIR)" && git checkout -f "$(PKG_VERSION)"; \
+		cd "$(PKG_TEMP_DIR)" && git am --ignore-whitespace "$(CURDIR)"/*.patch; \
+		mkdir -p "$(PKG_DIR)" ; \
+		cp $(PKG_TEMP_DIR)/core/*.c $(PKG_TEMP_DIR)/core/*.h $(PKG_DIR); \
+		cp $(PKG_TEMP_DIR)/core/er-coap-13/*.c $(PKG_TEMP_DIR)/core/er-coap-13/*.h $(PKG_DIR); \
+		rm -Rf "$(PKG_TEMP_DIR)"
+clean::
+	@echo "Cleaning up $(PKG_NAME) package..."
+	@cd "$(PKG_DIR)" 2> /dev/null > /dev/null && \
+		git clean -x -f && \
+		git am --abort && \
+		git reset --hard "$(PKG_VERSION)" && \
+		$(MAKE) patch || true
+
+
+distclean::
+	rm -rf "$(PKG_DIR)"
+
+Makefile.include:
+	@true

pkg/wakaama/Makefile.include

+INCLUDES += -I$(RIOTBASE)/pkg/wakaama/wakaama