intel: clean up queue init

Rename queue_set_state() to queue_select_pipeline(), and separate out queue
init code to queue_init_hw_and_atomic_bo().
diff --git a/icd/intel/queue.h b/icd/intel/queue.h
index 875fc7a..5d83141 100644
--- a/icd/intel/queue.h
+++ b/icd/intel/queue.h
@@ -30,6 +30,8 @@
 #include "gpu.h"
 #include "obj.h"
 
+#define INTEL_QUEUE_ATOMIC_COUNTER_COUNT 1024
+
 struct intel_cmd;
 struct intel_dev;