intel/package.use: dev-libs/efl: s/gles/gles2/

It was renamed, apparently.
Looks like here:

commit f77b1be67b97101d6efdb430dc14cd2e1f780287
Date:   Fri Jan 11 06:57:59 2019 +0200

    dev-libs/efl: fix GL handling in ebuilds
This commit is contained in:
Sławomir Nizio
2019-03-11 22:14:43 +01:00
parent d16d47dbd0
commit f078a00eb6
@@ -232,7 +232,7 @@ dev-libs/c-blosc hdf5
dev-libs/DirectFB dynload fbcon
dev-libs/dbus-glib bash-completion
# Required by terminology
dev-libs/efl audio drm egl gles pulseaudio pixman sound X gstreamer -xcb -opengl -sdl -gnutls
dev-libs/efl audio drm egl gles2 pulseaudio pixman sound X gstreamer -xcb -opengl -sdl -gnutls
dev-libs/folks eds vala
dev-libs/gdl gnome
# 2010-04-6, trying to disable USE="mono" from gmime