[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>

arch/powerpc/Kconfig

@@ -117,6 +117,9 @@ config GENERIC_BUG
 	default y
 	depends on BUG
 
+config SYS_SUPPORTS_APM_EMULATION
+	bool
+
 config DEFAULT_UIMAGE
 	bool
 	help

drivers/macintosh/Kconfig

@@ -109,7 +109,9 @@ config PMAC_SMU
 
 config PMAC_APM_EMU
 	tristate "APM emulation"
-	depends on PPC_PMAC && PPC32 && PM && ADB_PMU
+	select SYS_SUPPORTS_APM_EMULATION
+	select APM_EMULATION
+	depends on ADB_PMU && PM
 
 config PMAC_MEDIABAY
 	bool "Support PowerBook hotswap media bay"