ARM: 6866/1: Do not restrict HIGHPTE to !OUTER_CACHE

The HIGHPTE config option depends on !OUTER_CACHE. However, there is no
set_pte_ext() function that does outer cache maintenance by physical
address, hence no need for such restriction.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9954c9b..e8cbecc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1540,7 +1540,6 @@
 config HIGHPTE
 	bool "Allocate 2nd-level pagetables from highmem"
 	depends on HIGHMEM
-	depends on !OUTER_CACHE
 
 config HW_PERF_EVENTS
 	bool "Enable hardware performance counter support for perf events"