Make doc package noarch
Make doc package noarch

Since documents are not architecture dependent make doc package
be noarch.

Signed-off-by: Lyre <8a3ad5e7eaa2296ba1c969ebaf630b7183f20378@skybility.com>

libvirt/libvirt-php,tucksaun/libvirt-php,php/pecl-virtualization-libvirt,zippy2/libvirt-php,martijnotto/libvirt-php,tucksaun/libvirt-php,KnightSwarm/libvirt-php,KnightSwarm/libvirt-php,tucksaun/libvirt-php,KnightSwarm/libvirt-php,php/pecl-virtualization-libvirt,KnightSwarm/libvirt-php,vtolstov/libvirt-php,tucksaun/libvirt-php,vtolstov/libvirt-php,libvirt/libvirt-php,vtolstov/libvirt-php,martijnotto/libvirt-php,zippy2/libvirt-php,php/pecl-virtualization-libvirt,KnightSwarm/libvirt-php,martijnotto/libvirt-php,zippy2/libvirt-php,libvirt/libvirt-php,martijnotto/libvirt-php,php/pecl-virtualization-libvirt,vtolstov/libvirt-php