[ARM] Cleanup ARM configuration

- FORCE_MAX_ZONEORDER should depend on SA1111, not a collection of
  machine specific configuration symbols.
- RPCMOUSE is obsolete; replaced by MOUSE_RISCPC.

arch/arm/Kconfig

@@ -222,7 +222,7 @@ config SA1111
 
 config FORCE_MAX_ZONEORDER
 	int
-	depends on ASSABET_NEPONSET || SA1100_ADSBITSY || SA1100_BADGE4 || SA1100_CONSUS || SA1100_GRAPHICSMASTER || SA1100_JORNADA720 || ARCH_LUBBOCK || SA1100_PFS168 || SA1100_PT_SYSTEM3 || SA1100_XP860
+	depends on SA1111
 	default "9"
 
 comment "Processor Type"
@@ -1043,11 +1043,6 @@ config KBDMOUSE
 	depends on ARCH_ACORN && BUSMOUSE=y && !ARCH_RPC
 	default y
 
-config RPCMOUSE
-	bool
-	depends on ARCH_ACORN && BUSMOUSE=y && ARCH_RPC
-	default y
-
 source "drivers/media/Kconfig"
 
 source "fs/Kconfig"