Update for esd apc405

  - fix clock rates
  - remove debug messages
  - fix flash sector protection

* Patch by Steven Scholz, 07 Apr 2005:
  Fix warning in cpu/arm920t/at91rm9200/i2c.c

  Add i2c_reg_write() and i2c_reg_write() for at91rm9200 I2C

* Patch by Steven Scholz, 07 Apr 2005:
  Fix compiler warning in altera.c

* Patch by Ladislav Michl, 06 Apr 2005:
  Fix voiceblue configuration.

  Updates for OCOTEA board:
  - Changed U-Boot size from 512kByte to 256kByte
  - Fixed flash driver to support boot from soldered user flash
  - Added README for switch from PIBS firmware to U-Boot

  - Change timer frequency for ppc 440 from 10 ms to 1 ms.
    Problem found by Andrew Wozniak.

- creating SoC subdir for Atmel AT91RM9200 cpu/arm920t/at91rm9200
- moving code out of cpu/at91rm9200 into cpu/arm920t/at91rm9200

  - update the pxa-regs.h file for PXA27x chips
  - add PXA27x based ADSVIX board
  - add support for MMC on PXA27x processors

* Patch by Andrew E. Mileski, 28 Nov 2004:
  Fix PPC4xx SPD SDRAM detection bug

* Patch by Hiroshi Ito, 26 Nov 2004:
  Fix logic of "test -z" and "test -n" commands

  Add support for VoiceBlue board.

* Patch by Ladislav Michl, 05 Apr 2005:
  Fix netboot_common() prototypes.

* Cleanup.

- Use i.MX watchdog timer for reset_cpu()
- Move reset_cpu() out of cpu/arm920t/start.S into the SoC specific
  subdirectories cpu/arm920t/imx/ and cpu/arm920t/s3c24x0/
  (now in interupts.c)

  Interfaces are named as follows: "ENET1" - TSEC2, "ENET2" - FEC

* Patch by Martin Krause, 04 Apr 2005:
  Update default configuration for CMC_PU2 board.

- remove all references to CONFIG_INIT_CRITICAL for ARM based boards
- introduce two new configuration options instead:
  CONFIG_SKIP_LOWLEVEL_INIT and CONFIG_SKIP_RELOCATE_UBOOT

Make sure that MDIO clock does not exceed 2.5 MHz on AT91

reset timers so it's save to use udelay() in timeout code.

  add udelay support for the mcf5282 cpu

* Patch by Tolunay Orkun, 16 November 2004:
  fix incorrect onboard Xilinx CPLD base address

- Add low-boot option for MPC8260ADS board (if lowboot is selected,
  the jumper for the HRCW source should select flash. If lowboot is
  not selected, the jumper for the HRCW source should select the
  BCSR.
- change default load base address to 0x00400000

  Add support for Analogue & Micro Rattler boards.
  Tested on Rattler8248.

* Patch by Andre Renaud, 08 Nov 2004:
  Fix watchdog support in common/lcd.c

* Patch by Marc Leeman, 05 Nov 2003:
  Enable all 4 PCMBRW buffers for the MPC8245 processor since the CPU
  bug only affects the XPC8245 processors

- Add support for MicroSys CPU87 board
- Add support for MicroSys PM854 board

  Add missing NIOS/NIOS2 support for "iminfo" command

* Patch by Detlev Zundel, 29 Oct 2004:
  Add missing NIOS/NIOS2 support for "mkimage" tool.

Add missing 440GX SDRAM Controller reset

Declare reset_cpu() in include/common.h instead locally

  - Add support for HIDDEN_DRAGON board
  - fix endianess problem in driver/rtl1839.c

* Patch by Allen Curtis, 21 Oct 2004:
  support multiple serial ports

  Add call to eth_halt() in net/net.c when called functions fail
  after eth_init() has been called.

* Patch by Sam Song, 3 April 2005:
  - Update README.Netconsole
  - Update README

- create SoC specific directories include/asm-arm/arch-imx and
  include/asm-arm/arch-s3c24x0

- rename CONFIG_BOOTBINFUNC into  CONFIG_INIT_CRITICAL
- rename memsetup into lowlevel_init (function name and source files)

enable SNTP support in some boards.

Add automatic HW detection for CMC_PU2 and CMC_BASIC

Fix flash erase timeout on CMC_PU2

fix cache enabling for AT91RM9200

  add SNTP support and expand time server and time offset fields of
  DHCP support. See doc/README.SNTP

* Patch by Steven Scholz, 13 Dec 2004:
  Fix bug in at91rm920 ethernet driver

Remove duplicated code by merging memsetup.S files for
at91rm9200 boards into one cpu/at91rm9200/lowlevel.S

  Cleanup duplicate definition of overwrite_console()

* Update TQM5200 configuration;
  prepare for Rev. 200 starter kit boards

  Add support for Nios-II EPCS Controller core.

* Patch by Scott McNutt, 20 Oct 2004:
  Nios-II cleanups:
  - Add sysid command (Nios-II only).
  - Locate default exception trampoline at proper offset.
  - Implement I/O routines (readb, writeb, etc)
  - Implement do_bootm_linux