qcacmn: Fix typo "retrived"

Replace typo "retrived" with correct spelling "retrieved".

Change-Id: Icde5e2480be78bdf8bf3befd1ce09b1b427074df
CRs-Fixed: 2238309

qdf/linux/src/i_qdf_nbuf.h

@@ -94,7 +94,7 @@ typedef union {
  *      for the priv_cb_w since it must be at same offset for both
  *      TX and RX union
  *
- * @paddr   : physical addressed retrived by dma_map of nbuf->data
+ * @paddr   : physical addressed retrieved by dma_map of nbuf->data
  *
  * @rx.dev.priv_cb_w.ext_cb_ptr: extended cb pointer
  * @rx.dev.priv_cb_w.fctx      : ctx to handle special pkts defined by ftype