Fixes:
dEQP-GLES2.functional.fbo.render.recreate_colorbuffer.rebind_rbo_rgba4
dEQP-GLES2.functional.fbo.render.recreate_colorbuffer.no_rebind_rbo_rgba4
dEQP-GLES2.functional.fbo.render.recreate_colorbuffer.no_rebind_rbo_rgba4_stencil_index8
dEQP-GLES2.functional.fbo.render.recreate_depthbuffer.rebind_rbo_rgba4_depth_component16
dEQP-GLES2.functional.fbo.render.recreate_depthbuffer.no_rebind_rbo_rgba4_depth_component16
dEQP-GLES2.functional.fbo.render.recreate_stencilbuffer.rebind_rbo_rgba4_stencil_index8
dEQP-GLES2.functional.fbo.render.recreate_stencilbuffer.no_rebind_rbo_rgba4_stencil_index8

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>