pvr: break out queue to separate header

Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37432>

src/imagination/vulkan/pvr_queue.c

@@ -29,6 +29,8 @@
  * This file implements VkQueue, VkFence, and VkSemaphore
  */
 
+#include "pvr_queue.h"
+
 #include <assert.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -41,7 +43,6 @@
 #include "pvr_job_render.h"
 #include "pvr_job_transfer.h"
 #include "pvr_limits.h"
-#include "pvr_private.h"
 #include "util/macros.h"
 #include "util/u_atomic.h"
 #include "vk_alloc.h"