osbuilder: update usage of RUST_AGENT variable
Update the default value of RUST_AGENT variable to 'yes' in
usage description.
fixes:
@@ -101,8 +101,8 @@ AGENT_INIT When set to "yes", use ${AGENT_BIN} as init process in place
of systemd.
Default value: no
-RUST_AGENT When set to "yes", build kata-agent from kata-rust-agent instead of go agent
- Default value: "no"
+RUST_AGENT When set to "no", build kata-agent from go agent instead of kata-rust-agent
+ Default value: "yes"
RUST_AGENT_PKG URL of the Git repository hosting the agent package.
Default value: ${RUST_AGENT_PKG}
