gst: don't use cogl_texture_new_with_data
gst: don't use cogl_texture_new_with_data

This updates cogl-gst to use cogl_texture_2d_new_with_data instead of
cogl_texture_new_with_data in preparation for removing the automagic
apis in cogl-auto-texture.c

Reviewed-by: Neil Roberts <822ec91a7ef82248fd36162ca8ac3283eba70848@linux.intel.com>

gcampax/cogl,djdeath/cogl,djdeath/cogl,gcampax/cogl,djdeath/cogl,gcampax/cogl,gcampax/cogl