Rename LLAMA_CUBLAS flag to LLAMA_CUDA in fulfilment of the prophecy.

This is being changed in Make.
ggml-org#6299

Author: jboero

.devops/llama-cpp-cublas.srpm.spec

@@ -32,7 +32,7 @@ CPU inference for Meta's Lllama2 models using default options.
 %setup -n llama.cpp-master
 
 %build
-make -j LLAMA_CUBLAS=1
+make -j LLAMA_CUDA=1
 
 %install
 mkdir -p %{buildroot}%{_bindir}/