ARM: Moving Marvell Dove platform defaults to ARMv7

Disabled legacy support for ARMv6 architecture on Dove platform.
Latest Dove HW uses only ARMv7 model.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 377a7a5..44c16f0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -468,7 +468,7 @@
 
 config ARCH_DOVE
 	bool "Marvell Dove"
-	select CPU_V6K
+	select CPU_V7
 	select PCI
 	select ARCH_REQUIRE_GPIOLIB
 	select GENERIC_CLOCKEVENTS