qcacmn: REO command access APIs

Implementation of APIs for Lithium REO command/status rings

Change-Id: Ib428dd995bd597f7fbfbfc458dade6e7e258000c

hal/wifi3.0/hal_internal.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -306,6 +306,10 @@ struct hal_soc {
 	/* Shared memory for ring pointer updates from host to FW */
 	uint32_t *shadow_wrptr_mem_vaddr;
 	qdf_dma_addr_t shadow_wrptr_mem_paddr;
+
+	/* REO blocking resource index */
+	uint8_t reo_res_bitmap;
+	uint8_t index;
 };
 
 /* TODO: Check if the following can be provided directly by HW headers */