powerpc: 40x: drop unused Kconfig symbol

Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Acked-by: NJosh Boyer <jwboyer@gmail.com>
Signed-off-by: NMichal Marek <mmarek@suse.cz>

arch/powerpc/platforms/40x/Kconfig

@@ -115,11 +115,6 @@ config PPC40x_SIMPLE
 	help
 	  This option enables the simple PowerPC 40x platform support.
 
-# 40x specific CPU modules, selected based on the board above.
-config NP405H
-	bool
-	#depends on ASH
-
 # OAK doesn't exist but wanted to keep this around for any future 403GCX boards
 config 403GCX
 	bool