thin3d: Avoid dynamic texturing locking.
thin3d: Avoid dynamic texturing locking.

Seems like it requires checking caps, and these textures are probably
not dynamic anyway.

unknownbrackets/native,unknownbrackets/native,libretro/ppsspp-native,zhykzhykzhyk/ppsspp-native,hrydgard/native,unknownbrackets/native,zhykzhykzhyk/ppsspp-native,unknownbrackets/native,libretro/ppsspp-native,hrydgard/native,hrydgard/native,zhykzhykzhyk/ppsspp-native,hrydgard/native,libretro/ppsspp-native,zhykzhykzhyk/ppsspp-native,libretro/ppsspp-native