ARM: pgtable: introduce pteval_t to represent a pte value

This makes everywhere dealing with pte values use the same type.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9568f86..94ee093 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -62,7 +62,7 @@
 	const char	policy[16];
 	unsigned int	cr_mask;
 	unsigned int	pmd;
-	unsigned int	pte;
+	pteval_t	pte;
 };
 
 static struct cachepolicy cache_policies[] __initdata = {