Update OpenHarmony source repositories to v3.1.1

conf/distro/oniro-openharmony-linux.conf

@@ -8,6 +8,11 @@ DISTRO_VERSION = "1.99.99"
 
 # OpenHarmony OS version
 OPENHARMONY_VERSION ?= "3.1"
+
+DISTROOVERRIDES:append = ":openharmony-${OPENHARMONY_VERSION}"
+OPENHARMONY_VERSION_FULL = "${OPENHARMONY_VERSION}"
+OPENHARMONY_VERSION_FULL:openharmony-3.1 = "3.1.1"
+
 PREFERRED_VERSION_openharmony-standard = "${OPENHARMONY_VERSION}"
 
 # LLVM/Clang toolchain