[bradh352] use sonic-utilities fork

Author: bradh352

.gitmodules

@@ -30,7 +30,8 @@
 	url = https://github.com/p4lang/ptf.git
 [submodule "src/sonic-utilities"]
 	path = src/sonic-utilities
-	url = https://github.com/sonic-net/sonic-utilities
+	url = https://github.com/bradh352/sonic-utilities
+	branch = bradh352/libyang3
 [submodule "platform/broadcom/sonic-platform-modules-arista"]
 	path = platform/broadcom/sonic-platform-modules-arista
 	url = https://github.com/aristanetworks/sonic