torture: Make config2csv.sh properly handle comments in .boot files

As in strip the "#" and everything after it and *then* tokenize.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

tools/testing/selftests/rcutorture/bin/config2csv.sh

@@ -42,7 +42,7 @@ do
 	grep -v '^#' < $i | grep -v '^ *$' > $T/p
 	if test -r $i.boot
 	then
-		tr -s ' ' '\012' < $i.boot | grep -v '^#' >> $T/p
+		sed -e 's/#.*$//' < $i.boot | tr -s ' ' '\012' >> $T/p
 	fi
 	sed -e 's/^[^=]*$/&=?/' < $T/p |
 	sed -e 's/^\([^=]*\)=\(.*\)$/\tp["\1:'"$i"'"] = "\2";\n\tc["\1"] = 1;/' >> $T/p.awk