meson/freedreno: Fix lua requirement
Freedreno needs at least Lua 5.2, but the current code will report found for 5.1, which doesn't actually work.
Fixes: caa107cb ("freedreno/decode: move dependencies up a level")
Freedreno needs at least Lua 5.2, but the current code will report found for 5.1, which doesn't actually work.
Fixes: caa107cb ("freedreno/decode: move dependencies up a level")