[POWERPC] apm_emu: Use generic apm-emulation

This patch removes a huge amount of code that is now in common code
in drivers/char/apm-emulation.c

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a54a9a2e..a8e08f4 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -117,6 +117,9 @@
 	default y
 	depends on BUG
 
+config SYS_SUPPORTS_APM_EMULATION
+	bool
+
 config DEFAULT_UIMAGE
 	bool
 	help