new board (eb_cpux9k2)

* new board (eb_cpux9k2)
 * support for EB+CPUx9K2 board by BuS Elektronik GmbH & Co. KG
 * select via make eb_cpux9k2_config
 * this also demonstrates, how to use boards with AT91RM9200 cpu
   in at91 arch tree

Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
diff --git a/Makefile b/Makefile
index 8ce248d..524b9da 100644
--- a/Makefile
+++ b/Makefile
@@ -2714,6 +2714,9 @@
 csb637_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm920t csb637 NULL at91rm9200
 
+eb_cpux9k2_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm920t eb_cpux9k2 BuS at91
+
 kb9202_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm920t kb9202 NULL at91rm9200