[PATCH] fix SND_POWERMAC dependencies

This beast is pmac-only; moreover, it won't build on other
subarchitectures. 
Signed-off-by: NAl Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

sound/ppc/Kconfig

@@ -11,7 +11,7 @@ comment "ALSA PowerMac requires INPUT"
 
 config SND_POWERMAC
 	tristate "PowerMac (AWACS, DACA, Burgundy, Tumbler, Keywest)"
-	depends on SND && I2C && INPUT
+	depends on SND && I2C && INPUT && PPC_PMAC
 	select SND_PCM
 	help
 	  Say Y here to include support for the integrated sound device.