nginx: new package

nginx module selection is, by default, the same as the one sets by
the upstream configure script.

Patches improving the cross-compilation support have already been sent
upstream for integration.

Fixes bug: #3427 [1]

[1] https://bugs.uclibc.org/show_bug.cgi?id=3427

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Cc: Daniele Salvatore Albano <info@daccii.it>
Cc: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Cc: Johan Oudinet <johan.oudinet@gmail.com>