mwifiex: define a macro for MPA base address

As Multiple-Port Aggregation base address value is fixed, we can
have a macro for it.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 99a508b..1892e88 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1100,7 +1100,7 @@
 		dev_dbg(adapter->dev, "info: do_rx_aggr: num of packets: %d\n",
 			card->mpa_rx.pkt_cnt);
 
-		mport = (adapter->ioport | 0x1000 |
+		mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
 			 (card->mpa_rx.ports << 4)) + card->mpa_rx.start_port;
 
 		if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf,
@@ -1419,7 +1419,7 @@
 		dev_dbg(adapter->dev, "data: %s: send aggr buffer: %d %d\n",
 			__func__,
 				card->mpa_tx.start_port, card->mpa_tx.ports);
-		mport = (adapter->ioport | 0x1000 |
+		mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
 			 (card->mpa_tx.ports << 4)) + card->mpa_tx.start_port;
 		ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf,
 						 card->mpa_tx.buf_len, mport);