radeonsi: mark all bound shader buffer ranges as initialized
radeonsi: mark all bound shader buffer ranges as initialized

This should prevent cases when a buffer was incorrectly mapped without
synchronization just because this wasn't done.

Cc: 13.0 17.0 <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>
Reviewed-by: Samuel Pitoiset <506e97eed81d9e59d22f4c73fb51123bb62b4a30@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler