net: calxedaxgmac: set outstanding AXI bus transactions to 8

Increase the number of outstanding read and write AXI transactions from 1
to 8 for better performance.

Signed-off-by: Rob Herring <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/calxeda/xgmac.c

···
 	writel(DMA_INTR_DEFAULT_MASK, ioaddr + XGMAC_DMA_INTR_ENA);
 
 	/* XGMAC requires AXI bus init. This is a 'magic number' for now */
-	writel(0x000100E, ioaddr + XGMAC_DMA_AXI_BUS);
+	writel(0x0077000E, ioaddr + XGMAC_DMA_AXI_BUS);
 
 	ctrl |= XGMAC_CONTROL_DDIC | XGMAC_CONTROL_JE | XGMAC_CONTROL_ACS |
 		XGMAC_CONTROL_CAR;