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.h b/icd/intel/cmd.h
index 1513448..9bdad9a 100644
--- a/icd/intel/cmd.h
+++ b/icd/intel/cmd.h
@@ -34,6 +34,7 @@
 #include "view.h"
 
 struct intel_pipeline;
+struct intel_pipeline_shader;
 struct intel_pipeline_delta;
 struct intel_viewport_state;
 struct intel_raster_state;
@@ -41,7 +42,6 @@
 struct intel_blend_state;
 struct intel_ds_state;
 struct intel_dset;
-struct intel_pipe_shader;
 
 struct intel_cmd_reloc;
 
@@ -119,7 +119,7 @@
 };
 
 struct intel_cmd_shader {
-    const struct intel_pipe_shader *shader;
+    const struct intel_pipeline_shader *shader;
     XGL_UINT kernel_pos;
 };