Added ARM Integrator AP, CP and Versatile PB926EJ-S Reference
Platform support.

* Patch by Masami Komiya, 08 Mar 2004:
Don't overwrite server IP address or boot file name
when the boot server does not return values

* Patch by listmember@orkun.us, 5 Mar 2004:
Removed compile time restriction on CFG_I2C_SPEED for DS1338 RTC