python3-mako: upgrade 1.1.5 -> 1.1.6

Fixed issue where control statements on multi lines with a backslash would
not parse correctly if the template itself contained CR/LF pairs as on
Windows.

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>