sh: hp6xx mach-type cleanups.

Some minor cleanups for the updated consolidated hp6xx
mach-type.

Signed-off-by: Andriy Skulysh <askulysh@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index e467a45..66cf0ea 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -113,7 +113,7 @@
 incdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)	:= se7751
 incdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)        := se7300
 incdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)	:= se73180
-incdir-$(CONFIG_SH_HP600)			:= hp6xx
+incdir-$(CONFIG_SH_HP6XX)			:= hp6xx
 
 ifneq ($(machdir-y),)
 core-y				+= arch/sh/boards/$(machdir-y)/