Add "config" command to access config UI

src/hci/commands/config_cmd.c

@@ -0,0 +1,35 @@
+#include <string.h>
+#include <vsprintf.h>
+#include <gpxe/command.h>
+#include <gpxe/settings.h>
+#include <gpxe/settings_ui.h>
+
+
+#include <gpxe/nvo.h>
+extern struct nvo_block *ugly_nvo_hack;
+
+
+static int config_exec ( int argc, char **argv ) {
+	struct config_context dummy_context;
+
+	if ( argc != 1 ) {
+		printf ( "Usage: %s\n"
+			 "Opens the option configuration console\n", argv[0] );
+		return 1;
+	}
+
+	if ( ! ugly_nvo_hack ) {
+		printf ( "No non-volatile option storage available\n" );
+		return 1;
+	}
+
+	dummy_context.options = ugly_nvo_hack->options;
+	settings_ui ( &dummy_context );
+
+	return 0;
+}
+
+struct command config_command __command = {
+	.name = "config",
+	.exec = config_exec,
+};