Add platform annotation in bindep.txt

Add dpkg platform for the packages and their
respective package name for rpm too. There are some 
packages not available in rpm so I added just those that have it.
 
Related-Bug: https://bugzilla.redhat.com/show_bug.cgi?id=2054776
Change-Id: Ib57e0dc00c9f47d589d8723d7feac01f27b0f3a0

bindep.txt

@@ -5,10 +5,13 @@ xvfb [selenium platform:dpkg]
 xorg-x11-server-Xvfb [selenium platform:redhat]
 
 # Dependency for pdf document generation
-latexmk
-texlive-xetex
-texlive-fonts-recommended
-fonts-liberation
 inkscape
-librsvg2-bin
-imagemagick
+imagemagick [platform:dpkg]
+latexmk [platform:dpkg]
+texlive-xetex [platform:dpkg]
+texlive-fonts-recommended [platform:dpkg]
+texlive [platform:rpm]
+fonts-liberation [platform:dpkg]
+liberation-fonts [platform:rpm]
+librsvg2-bin [platform:dpkg]
+librsvg2 [platform:rpm]