egl: add EGL 1.5 functions that don't need any changes from extensions
egl: add EGL 1.5 functions that don't need any changes from extensions

Declare the functions without the suffix, so that the core names are exported.

Reviewed-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>
Reviewed-by: Chad Versace <a557f7f75bf28dc19ac99107f5cc7cd6b3fbdb1a@intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler