[TG3]: Fix 5788/5901, update TSO code.

- Do not set RDMAC_MODE_FIFO_LONG_BURST on 5788
- Do not set WDMAC_MODE_RX_ACCEL on 5788
- Note that 5788 cannot use tagged irq status.
- 5788 cannot do TSO
- 5788 cannot do NETIF_F_HIGHDMA.
- 5901 is 10/100 only.
- Update TSO firmware, add 5705 specific TSO firmware.
- Update TSO packet handling in ->hard_start_xmit() to
  match updated TSO firmware.
- TSO is still off by default until more perf analysis is done.

drivers/net/tg3.h

@@ -678,6 +678,7 @@
 #define  RCVLPC_STATSCTRL_ENABLE	 0x00000001
 #define  RCVLPC_STATSCTRL_FASTUPD	 0x00000002
 #define RCVLPC_STATS_ENABLE		0x00002018
+#define  RCVLPC_STATSENAB_LNGBRST_RFIX	 0x00400000
 #define RCVLPC_STATS_INCMASK		0x0000201c
 /* 0x2020 --> 0x2100 unused */
 #define RCVLPC_SELLST_BASE		0x00002100 /* 16 16-byte entries */
@@ -1225,6 +1226,8 @@
 #define  GRC_MISC_CFG_BOARD_ID_5704	0x00000000
 #define  GRC_MISC_CFG_BOARD_ID_5704CIOBE 0x00004000
 #define  GRC_MISC_CFG_BOARD_ID_5704_A2	0x00008000
+#define  GRC_MISC_CFG_BOARD_ID_5788	0x00010000
+#define  GRC_MISC_CFG_BOARD_ID_5788M	0x00018000
 #define  GRC_MISC_CFG_BOARD_ID_AC91002A1 0x00018000
 #define  GRC_MISC_CFG_KEEP_GPHY_POWER	0x04000000
 #define GRC_LOCAL_CTRL			0x00006808
@@ -1914,6 +1917,8 @@ struct tg3 {
 #define TG3_FLG2_RESTART_TIMER		0x00000001
 #define TG3_FLG2_SUN_5704		0x00000002
 #define TG3_FLG2_NO_ETH_WIRE_SPEED	0x00000004
+#define TG3_FLG2_IS_5788		0x00000008
+#define TG3_FLG2_MAX_RXPEND_64		0x00000010
 
 	u32				split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ		3