[ARM] 3604/1: AT91RM9200 New boards

Patch from Andrew Victor

This patch adds support for an additional 4 AT91RM9200-based boards:

1. Conitec ARM&EVA  [MACH_CARMEVA]
   (http://www.conitec.net/english/linuxboard.htm)

2. KwikByte KB920x  [MACH_KB9200]
   (http://kwikbyte.com/KB9202_description_new.htm)

3. Embest ATEB9200  [MACH_ATEB9200]
   (http://www.embedinfo.com/english/product/ATEB9200.asp)

4. Sperry-Sun KAFA board  [MACH_KAFA]
   (unknown)

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>