change mexico regdomain from FCC to APAC

    Mexico supports channel 12 and 13

Change-Id: I0e5af8352a3a7559a872032378546099f63893d1
Reviewed-on: http://gerrit.mot.com/661604
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Binesh Balasingh <binesh@motorola.com>
SLTApproved: Binesh Balasingh <binesh@motorola.com>
Reviewed-by: Sergio Silva Vilela <sergiov@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>
(cherry picked from commit 2604e9e04b054250d3dc8249d82df82077090f0f)