fix typos "precidence" -> "precedence" in comments

This patch was generated by

	git grep -E -i -l 'precidence' | xargs -r perl -p -i -e 's/precidence/precedence/'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 873e55f..89eae67 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -442,7 +442,7 @@
 
 	/*
 	 * We use PATH to find perf commands, but we prepend some higher
-	 * precidence paths: the "--exec-path" option, the PERF_EXEC_PATH
+	 * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH
 	 * environment, and the $(perfexecdir) from the Makefile at build
 	 * time.
 	 */