Update Chelsio gige net driver.

- Use extern prefix for functions required.
- Removed a lot of wrappers, including t1_read/write_reg_4.
- Removed various macros, using native kernel calls now.
- Enumerated various #defines.
- Removed a lot of shared code which is not currently used in "NIC only" mode.
- Removed dead code.

Documentation/networking/cxgb.txt:
- Updated release notes for version 2.1.1

drivers/net/chelsio/ch_ethtool.h
- removed file, no longer using ETHTOOL namespace.

drivers/net/chelsio/common.h
- moved code from osdep.h to common.h
- added comment to #endif indicating which symbol it closes.

drivers/net/chelsio/cphy.h
- removed dead code.
- added comment to #endif indicating which symbol it closes.

drivers/net/chelsio/cxgb2.c
- use DMA_{32,64}BIT_MASK in include/linux/dma-mapping.h.
- removed unused code.
- use printk message for link info resembling drivers/net/mii.c.
- no longer using the MODULE_xxx namespace.
- no longer using "pci_" namespace.
- no longer using ETHTOOL namespace.

drivers/net/chelsio/cxgb2.h
- removed file, merged into common.h

drivers/net/chelsio/elmer0.h
- removed dead code.
- added various enums.
- added comment to #endif indicating which symbol it closes.

drivers/net/chelsio/espi.c
- removed various macros, using native kernel calls now.
- removed a lot of wrappers, including t1_read/write_reg_4.

drivers/net/chelsio/espi.h
- added comment to #endif indicating which symbol it closes.

drivers/net/chelsio/gmac.h
- added comment to #endif indicating which symbol it closes.

drivers/net/chelsio/mv88x201x.c
- changes to sync with Chelsio TOT.

drivers/net/chelsio/osdep.h
- removed file, consolidation. osdep was used to translate wrapper functions
  since our code supports multiple OSs. removed wrappers.

  drivers/net/chelsio/pm3393.c
  - removed various macros, using native kernel calls now.
  - removed a lot of wrappers, including t1_read/write_reg_4.
  - removed unused code.

  drivers/net/chelsio/regs.h
  - added a few register entries for future and current feature support.
  - added comment to #endif indicating which symbol it closes.

  drivers/net/chelsio/sge.c
  - rewrote large portion of scatter-gather engine to stabilize
  performance.
  - using u8/u16/u32 kernel types instead of __u8/__u16/__u32 compiler
  types.

  drivers/net/chelsio/sge.h
  - rewrote large portion of scatter-gather engine to stabilize
  performance.
  - added comment to #endif indicating which symbol it closes.

  drivers/net/chelsio/subr.c
  - merged tp.c into subr.c
  - removed various macros, using native kernel calls now.
  - removed a lot of wrappers, including t1_read/write_reg_4.
  - removed unused code.

  drivers/net/chelsio/suni1x10gexp_regs.h
  - modified copyright and authorship of file.
  - added comment to #endif indicating which symbol it closes.

  drivers/net/chelsio/tp.c
  - removed file, merged into subr.c.

  drivers/net/chelsio/tp.h
  - removed file.

  include/linux/pci_ids.h
  - patched to include PCI_VENDOR_ID_CHELSIO 0x1425, removed define from
  our code.
diff --git a/drivers/net/chelsio/gmac.h b/drivers/net/chelsio/gmac.h
index 24501e2..746b0ee 100644
--- a/drivers/net/chelsio/gmac.h
+++ b/drivers/net/chelsio/gmac.h
@@ -1,8 +1,8 @@
 /*****************************************************************************
  *                                                                           *
  * File: gmac.h                                                              *
- * $Revision: 1.3 $                                                          *
- * $Date: 2005/03/23 07:15:58 $                                              *
+ * $Revision: 1.6 $                                                          *
+ * $Date: 2005/06/21 18:29:47 $                                              *
  * Description:                                                              *
  *  Generic MAC functionality.                                               *
  *  part of the Chelsio 10Gb Ethernet Driver.                                *
@@ -37,8 +37,8 @@
  *                                                                           *
  ****************************************************************************/
 
-#ifndef CHELSIO_GMAC_H
-#define CHELSIO_GMAC_H
+#ifndef _CXGB_GMAC_H_
+#define _CXGB_GMAC_H_
 
 #include "common.h"
 
@@ -130,4 +130,5 @@
 extern struct gmac t1_vsc7321_ops;
 extern struct gmac t1_ixf1010_ops;
 extern struct gmac t1_dummy_mac_ops;
-#endif
+
+#endif /* _CXGB_GMAC_H_ */