Add support for AP1000 board.
Patch by James MacAulay, 07 Oct 2005
diff --git a/Makefile b/Makefile
index 86cb6a8..6ce5416 100644
--- a/Makefile
+++ b/Makefile
@@ -721,6 +721,9 @@
 ADCIOP_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx adciop esd
 
+AP1000_config:unconfig
+	@./mkconfig $(@:_config=) ppc ppc4xx ap1000 amirix
+
 APC405_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx apc405 esd