Subject: cell: set ARCH_SPARSEMEM_DEFAULT in Kconfig

From: Geoff Levand <geoffrey.levand@am.sony.com>
The current cell processor support needs sparsemem, so set it as
the default memory model.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

---
As noted by Benjamin Herrenschmidt.

Index: linux-2.6/arch/powerpc/Kconfig
===================================================================
--- linux-2.6.orig/arch/powerpc/Kconfig
+++ linux-2.6/arch/powerpc/Kconfig
@@ -797,7 +797,7 @@ config ARCH_SPARSEMEM_ENABLE
 
 config ARCH_SPARSEMEM_DEFAULT
 	def_bool y
-	depends on SMP && PPC_PSERIES
+	depends on (SMP && PPC_PSERIES) || PPC_CELL
 
 source "mm/Kconfig"