i965: Fill out the rest of brw_debug_recompile_sampler_key().
i965: Fill out the rest of brw_debug_recompile_sampler_key().

This makes INTEL_DEBUG=perf report shader recompiles due to CMS vs.
UMS/IMS differences and Sandybridge textureGather workarounds.

Previously, we just flagged them as "Something else".

Signed-off-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Reviewed-by: Topi Pohjolainen <749697f19798b7f640b17221fd283b903825f071@intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler