perf probe: Use PARSE_OPT_EXCLUSIVE flag

The perf probe command has some exclusive options.  Use new PARSE_OPT_EXCLUSIVE
flag to simplify the code and show more compact usage.

  $ perf probe -l -a foo
    Error: switch `a' cannot be used with switch `l'

   usage: perf probe [<options>] 'PROBEDEF' ['PROBEDEF' ...]
      or: perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]
      or: perf probe [<options>] --del '[GROUP:]EVENT' ...
      or: perf probe --list
      or: perf probe [<options>] --line 'LINEDESC'
      or: perf probe [<options>] --vars 'PROBEPOINT'

      -a, --add <[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT [[NAME=]ARG ...]>
                            probe point definition, where
		GROUP:	Group name (optional)
		EVENT:	Event name
		FUNC:	Function name
		OFF:	Offset from function entry (in byte)
		%return:	Put the probe at function return
		SRC:	Source code path
		RL:	Relative line number from function entry.
		AL:	Absolute line number in file.
		PT:	Lazy expression of line code.
		ARG:	Probe argument (local variable name or
			kprobe-tracer argument format.)

      -l, --list            list up current probe events

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Hemant Kumar <hemant@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1413990949-13953-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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