iwlwifi: pcie: allow more than one frame in RB for 9000 devices

We now have 9000 devices that support multiple frames in
a single RB. Enable it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index 27ff74d..4fad808 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -833,15 +833,13 @@
 
 	/*
 	 * Enable Rx DMA
-	 * Single frame mode
 	 * Rx buffer size 4 or 8k or 12k
 	 * Min RB size 4 or 8
 	 * Drop frames that exceed RB size
 	 * 512 RBDs
 	 */
 	iwl_write_prph_no_grab(trans, RFH_RXF_DMA_CFG,
-			       RFH_DMA_EN_ENABLE_VAL |
-			       rb_size | RFH_RXF_DMA_SINGLE_FRAME_MASK |
+			       RFH_DMA_EN_ENABLE_VAL | rb_size |
 			       RFH_RXF_DMA_MIN_RB_4_8 |
 			       RFH_RXF_DMA_DROP_TOO_LARGE_MASK |
 			       RFH_RXF_DMA_RBDCB_SIZE_512);