perf arm-spe: Update --itrace help text

The --itrace help now needs updating to reflect that
the --itrace=b argument sythesises branches as well
as branch misses.

Signed-off-by: Graham Woodward <[e-mail]>
Reviewed-by: James Clark <[e-mail]>
Tested-by: Leo Yan <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Namhyung Kim <[e-mail]>

tools/perf/Documentation/itrace.txt

···
 		i	synthesize instructions events
 		y	synthesize cycles events
-		b	synthesize branches events (branch misses for Arm SPE)
+		b	synthesize branches events
 		c	synthesize branches events (calls only)
 		r	synthesize branches events (returns only)
 		x	synthesize transactions events

tools/perf/Documentation/perf-arm-spe.txt

···
   7 llc-access
   2 tlb-miss
   1K tlb-access
-  36 branch-miss
+  36 branch
   0 remote-access
   900 memory
 

tools/perf/util/auxtrace.h

···
  *          (not fully accurate, since CYC packets are only emitted
  *          together with other events, such as branches)
  * @branches: whether to synthesize 'branches' events
- *            (branch misses only for Arm SPE)
  * @transactions: whether to synthesize events for transactions
  * @ptwrites: whether to synthesize events for ptwrites
  * @pwr_events: whether to synthesize power events
···
 #define ITRACE_HELP \
 "				i[period]:    		synthesize instructions events\n" \
 "				y[period]:    		synthesize cycles events (same period as i)\n" \
-"				b:	    		synthesize branches events (branch misses for Arm SPE)\n" \
+"				b:	    		synthesize branches events\n" \
 "				c:	    		synthesize branches events (calls only)\n"	\
 "				r:	    		synthesize branches events (returns only)\n" \
 "				x:	    		synthesize transactions events\n"		\