Modified gnoi as a sub-module for gnoi reboot feature

.gitmodules

@@ -130,3 +130,6 @@
 [submodule "src/sonic-stp"]
 	path = src/sonic-stp
 	url = https://github.com/sonic-net/sonic-stp
+[submodule "src/sonic-framework/gnoi"]
+	path = src/sonic-framework/gnoi
+	url = https://github.com/openconfig/gnoi

src/sonic-framework/Makefile.am

@@ -1,19 +1,26 @@
 .PHONY: compile_protobufs
 AUTOMAKE_OPTIONS = subdir-objects
-INCLUDES = -I ../sonic-swss-common/common
+INCLUDES = -I ../sonic-swss-common/common -Ibuild/gen -Ibuild/gen/github.com/openconfig/gnoi
 BUILT_SOURCES = rebootbackend_protobuf_compilation rebootbackend_dbus_compilation
 
 compile_protobufs: rebootbackend_protobuf_compilation rebootbackend_dbus_compilation
 
 rebootbackend_protobuf_compilation: 
-	/usr/bin/protoc --cpp_out=rebootbackend \
-		--proto_path=gnoi \
+	mkdir -p build/gen
+	/usr/bin/protoc --cpp_out=build/gen \
+		--proto_path=github.com/openconfig/gnoi=gnoi \
 		gnoi/types/types.proto \
 		gnoi/common/common.proto \
 		gnoi/system/system.proto
 
-rebootbackend_dbus_compilation:
+rebootbackend_dbus_compilation: build/gen/librebgnoi.la
 	/usr/bin/dbusxx-xml2cpp rebootbackend/gnoi_reboot.xml \
 		--proxy=rebootbackend/gnoi_reboot_dbus.h
 
+lib_LTLIBRARIES = build/gen/librebgnoi.la
+build_gen_librebgnoi_la_SOURCES = \
+        build/gen/github.com/openconfig/gnoi/system/system.pb.cc \
+        build/gen/github.com/openconfig/gnoi/types/types.pb.cc \
+        build/gen/github.com/openconfig/gnoi/common/common.pb.cc
+
 SUBDIRS = rebootbackend