ensure no space in script type string

New bitbake checks to ensure the #! line does not exceed 180 characters
and it requires no space between it and the script type info.

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: If52da98c06aced381a6b82cfc0756c1a322f7aec
diff --git a/gen_led_groups.pl b/gen_led_groups.pl
index dc9fd41..351e662 100755
--- a/gen_led_groups.pl
+++ b/gen_led_groups.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+
 use strict;
 use warnings;