scripts/checkdeps: require libxml-parser-perl

ref #3561
Revert "scripts/checkdeps: require libxml-parser-perl"

This reverts commit e8b368ee0d2782c9259933bf27c1d2003fe8b679.

meh doesnt work at all. needs complete rework of checkdeps..
note to myself: dont push untested stuff
kodi: update to kodi-14-a693300

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/Generic/linux: decrease max supported cpus to 8 for i686 builds

Signed-off-by: Stephan Raue <stephan@openelec.tv>