intel: rename intel_pipe_shader to intel_pipeline_shader

It is initialized from XGL_PIPELINE_SHADER, and we already use intel_pipeline
for XGL_PIPELINE.
diff --git a/icd/intel/cmd_pipeline.c b/icd/intel/cmd_pipeline.c
index 3bc9ce7..93515e6 100644
--- a/icd/intel/cmd_pipeline.c
+++ b/icd/intel/cmd_pipeline.c
@@ -1666,7 +1666,7 @@
 }
 
 static void emit_shader(struct intel_cmd *cmd,
-                        const struct intel_pipe_shader *shader,
+                        const struct intel_pipeline_shader *shader,
                         struct intel_cmd_shader *pCmdShader)
 {
     uint32_t i;