qcacld-3.0: Fix typo "seperate"

Replace typo "seperate" with correct spelling "separate".

Change-Id: Ic2e69d5a15366c0c2fe57d2f378cac0e11228f8e
CRs-Fixed: 2238297
diff --git a/core/dp/txrx/ol_rx_reorder.c b/core/dp/txrx/ol_rx_reorder.c
index 5304a48..284adf9 100644
--- a/core/dp/txrx/ol_rx_reorder.c
+++ b/core/dp/txrx/ol_rx_reorder.c
@@ -633,7 +633,7 @@
 			ol_rx_reorder_flush_frag(htt_pdev, peer, tid,
 						 idx_start);
 			/*
-			 * Assuming flush message sent seperately for frags
+			 * Assuming flush message sent separately for frags
 			 * and for normal frames
 			 */
 			OL_RX_REORDER_TIMEOUT_MUTEX_UNLOCK(pdev);