user_events: Handle matching arguments from dyn_events

Ensures that when dynamic events requests a match with arguments that
they match what is in the user_event.

Link: https://lkml.kernel.org/r/20220118204326.2169-4-beaub@linux.microsoft.com



Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>