Update opencart.sql

Added the 2 regions missing in Chile according to current law (from year 1976), this fix the shipping and profile address for the people that live in that regions.
Also fixed the incomplete name of Ohiggins region
References:
http://en.wikipedia.org/wiki/ISO_3166-2:CL
http://en.wikipedia.org/wiki/Regions_of_Chile
Merge pull request #2016 from CoverUp/patch-2

Update opencart.sql