openssl: use a glob on the PERLEXTERNAL to track updates on the path

The Text-Template was updated from 1.46 to 1.56

| ERROR: openssl-native-3.1.1-r0 do_configure: PERLEXTERNAL '/build/tmp/work/x86_64-linux/openssl-native/3.1.1-r0/openssl-3.1.1/external/perl/Text-Template-1.46/lib' not found!

Signed-off-by: Jose Quaresma <jose.quaresma@foundries.io>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>