Add AcTux board support

Hi,

The patch adds 4 boards, called AcTux-1 .. AcTux-4. This patch contains the
files that
contain changes for multiple boards, the board-specific files follow as
separate patches.

Signed-off-by: Michael Schwingen <michael@schwingen.org>
diff --git a/Makefile b/Makefile
index 78546cf..a241b79 100644
--- a/Makefile
+++ b/Makefile
@@ -2441,6 +2441,18 @@
 ## XScale Systems
 #########################################################################
 
+actux1_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm ixp actux1
+
+actux2_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm ixp actux2
+
+actux3_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm ixp actux3
+
+actux4_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm ixp actux4
+
 adsvix_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm pxa adsvix