[PATCH] Kconfig fix (ppc32 SMP dependencies)

ppc SMP is supported only for 6xx/POWER3/POWER4 - i.e. ones that have
PPC_STD_MMU.  Dependency fixed.
Signed-off-by: NAl Viro <viro@parcelfarce.linux.theplanet.co.uk>
Acked-by: NPaul Mackerras <paulus@samba.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/ppc/Kconfig

@@ -911,6 +911,7 @@ config PPCBUG_NVRAM
 	default y if PPC_PREP
 
 config SMP
+	depends on PPC_STD_MMU
 	bool "Symmetric multi-processing support"
 	---help---
 	  This enables support for systems with more than one CPU. If you have