net: qed_hsi.h: Avoid the use of one-element array

One-element arrays are being deprecated[1]. Replace the one-element
array with a simple value type '__le32 reserved1'[2], once it seems
this is just a placeholder for alignment.

[1] https://github.com/KSPP/linux/issues/79
[2] https://github.com/KSPP/linux/issues/86Tested-by: kernel test robot <lkp@intel.com>
Link: https://github.com/GustavoARSilva/linux-hardening/blob/master/cii/0-day/qed_hsi-20200718.mdSigned-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_hsi.h

@@ -361,7 +361,7 @@ struct core_tx_update_ramrod_data {
 	u8 update_qm_pq_id_flg;
 	u8 reserved0;
 	__le16 qm_pq_id;
-	__le32 reserved1[1];
+	__le32 reserved1;
 };
 
 /* Enum flag for what type of dcb data to update */