Remove the GLES 2 dependency for eglfs and kms

Change-Id: If7b80487e01db726367f5a67d2860073f60a0844
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Fix configure script to not dictate OpenGL ES 2 when EGL is enabled

Change-Id: I4d940ef436f21fd915f3d03558fd4fb4c7b3e5b7
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>