powerpc: remove dependency on MV64360

The Kconfig entry that allows to "Distribute interrupts on all CPUs by
default" has a (negative) dependency on MV64360. But that Kconfig symbol
was removed in v2.6.27, which means that this dependency has evaluated
to true ever since. It can be removed too.
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: NScott Wood <scottwood@freescale.com>

arch/powerpc/Kconfig

@@ -420,7 +420,7 @@ config FA_DUMP
 
 config IRQ_ALL_CPUS
 	bool "Distribute interrupts on all CPUs by default"
-	depends on SMP && !MV64360
+	depends on SMP
 	help
 	  This option gives the kernel permission to distribute IRQs across
 	  multiple CPUs.  Saying N here will route all IRQs to the first