r600: Fix llvm build since const buffer changes
r600: Fix llvm build since const buffer changes

In commit f9caabe8f1bff86d19b53d9ecba5c72b238d9e23:

One place in r600_llvm.c was forgotten when replacing
R600_UCP_CONST_BUFFER with R600_BUFFER_INFO_CONST_BUFFER.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91985
Signed-off-by: Kai Wasserbäch <31ea678c44dc4e8e22ccfd165592dd71a30e46ae@dev.carbon-project.org>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler