nouveau: no need to do tnl wakeup, state updates are always hooked up
A TNL state update now requires a DrawBuffer to be set, which it isn't early on in context creation. Since we init swtnl from context init, this caused crashes. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91570 Signed-off-by:Ilia Mirkin <imirkin@alum.mit.edu> Cc: "10.6" <mesa-stable@lists.freedesktop.org>