ARCode & Patch 'active' renamed to 'enabled'

[Xelynega]

Attempting to build 5.0-12631-g89a4df725d pulled from libretro-super via ./libretro-fetch.sh dolphin gives a bunch of errors around ARCode and Patch not having a member named active. Both of these structs seem to have an enabled member which I assume fills the same role, and updating references of active to enabled allows the build to pass. Not sure if this is the correct fix, or if this struct member is for something different.