[PATCH] fix SND_POWERMAC dependencies

This beast is pmac-only; moreover, it won't build on other
subarchitectures. 

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/sound/ppc/Kconfig b/sound/ppc/Kconfig
index b0a9ebf..75213bf 100644
--- a/sound/ppc/Kconfig
+++ b/sound/ppc/Kconfig
@@ -11,7 +11,7 @@
 
 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.