Backport 13f00eb4493c "automake: port to Perl 5.22 and later"
from automake upstream to fix build with perl 5.22 .
(From OE-Core rev: ab0e298ec2c155739565f1cde76639855ba7bba0)
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>