egl: add eglSwapBuffersWithDamageKHR
egl: add eglSwapBuffersWithDamageKHR

EGL_KHR_swap_buffers_with_damage is actually already supported, as it is
technically nothing but a rename of EGL_EXT_swap_buffers_with_damage.

To that effect, both extension are advertised depending on the same
condition, and the new entrypoint simply redirects to the previous one.

Signed-off-by: Eric Engestrom <de0b63cf2dfb1fae8ed3c3b4244856a05677d4f0@imgtec.com>
Reviewed-by: Emil Velikov <f20878473f414da183da19ee25c8722cc1d711e4@collabora.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler