opengles2: Restore previous default texture_formats.

They were inadvertently byteswapped when making the rest of the backend
bigendian-friendly.

Fixes #11031.

src/render/opengles2/SDL_render_gles2.c

@@ -2220,8 +2220,8 @@ SDL_RenderDriver GLES2_RenderDriver = {
     { "opengles2",
       (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
       4,
-      { SDL_PIXELFORMAT_RGBA32,
+      { SDL_PIXELFORMAT_BGRA32,
-        SDL_PIXELFORMAT_BGRA32,
+        SDL_PIXELFORMAT_ABGR32,
         SDL_PIXELFORMAT_BGRX32,
         SDL_PIXELFORMAT_RGBX32 },
       0,