doxygen: remove some warnings

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

src/helper/command.h

@@ -340,7 +340,7 @@ struct command_context* copy_command_context(struct command_context* cmd_ctx);
 /**
  * Frees the resources associated with a command context.  The commands
  * are not removed, so unregister_all_commands() must be called first.
- * @param cmd_ctx The command_context that will be destroyed.
+ * @param context The command_context that will be destroyed.
  */
 void command_done(struct command_context *context);
 

src/target/arm_dpm.c

@@ -276,6 +276,7 @@ fail:
  * Writes all modified core registers for all processor modes.  In normal
  * operation this is called on exit from halting debug state.
  *
+ * @param dpm: represents the processor
  * @param bpwp: true ensures breakpoints and watchpoints are set,
  *	false ensures they are cleared
  */