[ARM] 4504/1: nommu: Fix the ARMv6 support for MMU-less platforms

With this patch, Kconfig only selects CPU_HAS_ASID for the MMU
case. It also corrects the typo in the v6wbi_tlb_fns definition in
pgtable-nommu.h.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/pgtable-nommu.h b/include/asm-arm/pgtable-nommu.h
index 0c8be19..1cf14d2 100644
--- a/include/asm-arm/pgtable-nommu.h
+++ b/include/asm-arm/pgtable-nommu.h
@@ -102,7 +102,7 @@
 #define v4_tlb_fns	(0)
 #define v4wb_tlb_fns	(0)
 #define v4wbi_tlb_fns	(0)
-#define v6_tlb_fns	(0)
+#define v6wbi_tlb_fns	(0)
 
 #define v3_user_fns	(0)
 #define v4_user_fns	(0)