Major changes:
1/ Add gbm_bo_create_with_modifiers2 and gbm_surface_create_with_modifiers2.
2/ Add headers for different versions of GBM.
3/ Detect platforms from library content.
Change-Id: Iaca158a926f5fe8c14698eb7e2ad5a427eb1632c
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>