geoip: add ptest functionality

Also make geoip package rdepend on geoip-database and
add symbolic link to GeoIPCity.dat.

Signed-off-by: Joe Slater <jslater@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>