Blackberry: Extend platform-specific documentation
Blackberry: Extend platform-specific documentation

Reflect camera support in Blackberry-specific documentation page.

Change-Id: I5267a32b99aa88cd73f33fe045d67579442f9932
Reviewed-by: Bernd Weimer <25a3520e34823a8a61fd4930799b4649e70db8bb@rim.com>
Reviewed-by: Thomas McGuire <2a8c2e178f359344f9cfed0db24d661e86eba971@kdab.com>

webOS-ports/qtmultimedia,sergiusens/qtmultimedia,sergiusens/qtmultimedia,nezticle/qtmultimedia,sergiusens/qtmultimedia,sergiusens/qtmultimedia,mer-qt/qtmultimedia,webOS-ports/qtmultimedia,jfaust/qtmultimedia,mer-qt/qtmultimedia,jfaust/qtmultimedia,webOS-ports/qtmultimedia,webOS-ports/qtmultimedia,sergiusens/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia,jfaust/qtmultimedia,webOS-ports/qtmultimedia,jfaust/qtmultimedia,jfaust/qtmultimedia,nezticle/qtmultimedia,mer-qt/qtmultimedia,nezticle/qtmultimedia,nezticle/qtmultimedia,nezticle/qtmultimedia