arm: mvebu: update defconfig with local timer support

Now that we have support for local timers, enable it by default
Signed-off-by: NGregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_defconfig

@@ -14,7 +14,6 @@ CONFIG_MACH_ARMADA_XP=y
 # CONFIG_CACHE_L2X0 is not set
 # CONFIG_SWP_EMULATE is not set
 CONFIG_SMP=y
-# CONFIG_LOCAL_TIMERS is not set
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
 # CONFIG_COMPACTION is not set