hiawatha: update to 9.1

Signed-off-by: Jack Mitchell <jack.mitchell@dbbroadcast.co.uk>
modphp: update to 5.4.14

Only build tested.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
apache2: fix multilib builds

Change PN -> BPN in a number of places so that files are stored in the
correct location and packaged correctly.

Based on a patch by Song.Li <Song.Li@windriver.com> with additional
PN -> BPN replacements.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>