as said in the version file, these ini's come from the ini database at 
http://code.google.com/p/dolphin-cheats-database/

if you want the othere ini's you can download them all at once using a svn program
or
one by one using a browser from:
http://dolphin-cheats-database.googlecode.com/svn/trunk/
Description
Dolphin is a GameCube / Wii emulator, allowing you to play games for these two platforms on PC with improvements.
Readme 1.6 GiB
Languages
C++ 88.6%
Kotlin 4.9%
C 2.3%
CMake 1.2%
Objective-C++ 1%
Other 1.7%