sh: Fix APM emulation on hp6xx.

With the shared APM emulation code being introduced, hp6xx was missed
in the conversion. Get it building again.

Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/hp6xx/Makefile

@@ -4,4 +4,4 @@
 
 obj-y			:= setup.o
 obj-$(CONFIG_PM)	+= pm.o pm_wakeup.o
-obj-$(CONFIG_APM)	+= hp6xx_apm.o
+obj-$(CONFIG_APM_EMULATION)	+= hp6xx_apm.o