vhost_user_net: switch to clap

Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@intel.com>

Cargo.lock

@@ -434,7 +434,9 @@ dependencies = [
  "anstream",
  "anstyle",
  "clap_lex",
+ "once_cell",
  "strsim",
+ "terminal_size",
 ]
 
 [[package]]
@@ -2033,6 +2035,16 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e6bf6f19e9f8ed8d4048dc22981458ebcf406d67e94cd422e5ecd73d63b3237"
+dependencies = [
+ "rustix 0.37.25",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "test_infra"
 version = "0.1.0"
@@ -2316,7 +2328,7 @@ dependencies = [
 name = "vhost_user_net"
 version = "0.1.0"
 dependencies = [
- "argh",
+ "clap",
  "env_logger",
  "epoll",
  "libc",