Fixed evas_gl capability issues to handle GL drivers that doesn't support fbos attaching depth/stencil buffers without the color buffer. Also fixed a minor capability bug dealing with depth_stencil format.
Fixed evas_gl capability issues to handle GL drivers that doesn't
support fbos attaching depth/stencil buffers without the color
buffer. Also fixed a minor capability bug dealing with depth_stencil
format.

TizenChameleon/uifw-evas,TizenChameleon/uifw-evas,TizenChameleon/evas,TizenChameleon/evas,TizenChameleon/evas,TizenChameleon/uifw-evas,TizenChameleon/uifw-evas,TizenChameleon/evas