consolekit: avoid shipping directory to /var/log

Replace /var/log/ConsoleKit with tmpfiles.d conf because
/var/log is a simlink pointing to /var/volatile/log  which
is tmpfs.

From meta-atp rev 4e90dd8d21593b7fa956153b2043d71a3aab5ffc.

JIRA: http://jira.alm.mentorg.com:8080/browse/SB-3630

Signed-off-by: Sergey Ignatov <sergey_ignatov@mentor.com>
Signed-off-by: Yasir-Khan <yasir_khan@mentor.com>
Merge pull request #336 from Yasir-Khan/minnow-ade

consolekit: avoid shipping directory to /var/log