microblaze: Rename ml401 to microblaze-generic

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/Makefile b/Makefile
index d533564..5cc950d 100644
--- a/Makefile
+++ b/Makefile
@@ -3170,10 +3170,9 @@
 ## Microblaze
 #========================================================================
 
-ml401_config:	unconfig
+microblaze-generic_config:	unconfig
 	@mkdir -p $(obj)include
-	@echo "#define CONFIG_ML401 1" > $(obj)include/config.h
-	@$(MKCONFIG) -a $(@:_config=) microblaze microblaze ml401 xilinx
+	@$(MKCONFIG) -a $(@:_config=) microblaze microblaze microblaze-generic xilinx
 
 suzaku_config:	unconfig
 	@mkdir -p $(obj)include