wl12xx: Modify requested number of memory blocks

Tests have shown that the requested number of memory blocks is
sub-optimal. Slightly modify the requested number of memory blocks for
TX.

Signed-off-by: Ido Yariv <ido@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 2679abc..8b3c8d1 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -304,7 +304,7 @@
 		.rx_block_num                 = 70,
 		.tx_min_block_num             = 40,
 		.dynamic_memory               = 0,
-		.min_req_tx_blocks            = 104,
+		.min_req_tx_blocks            = 100,
 		.min_req_rx_blocks            = 22,
 		.tx_min                       = 27,
 	}