checkpatch: don't warn about new vsprintf pointer extension '%pe'

This extension was introduced in commit 57f5677e535b ("printf: add
support for printing symbolic error names").

Link: http://lkml.kernel.org/r/20191114100416.23928-1-u.kleine-koenig@pengutronix.de
To: Andy Whitcroft <apw@canonical.com>
To: Joe Perches <joe@perches.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: kernel@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
[pmladek@suse.com: Switched the ordering: eE -> Ee]
Signed-off-by: Petr Mladek <pmladek@suse.com>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 342c7c7..f6a5a48 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5995,7 +5995,7 @@
 				while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) {
 					$specifier = $1;
 					$extension = $2;
-					if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) {
+					if ($extension !~ /[SsBKRraEehMmIiUDdgVCbGNOxt]/) {
 						$bad_specifier = $specifier;
 						last;
 					}