ARM: shmobile: armadillo800eva: enable L2X0 cache on defconfig

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

arch/arm/configs/armadillo800eva_defconfig

@@ -20,7 +20,7 @@ CONFIG_MACH_ARMADILLO800EVA=y
 # CONFIG_SH_TIMER_TMU is not set
 CONFIG_ARM_THUMB=y
 CONFIG_CPU_BPREDICT_DISABLE=y
-# CONFIG_CACHE_L2X0 is not set
+CONFIG_CACHE_L2X0=y
 CONFIG_ARM_ERRATA_430973=y
 CONFIG_ARM_ERRATA_458693=y
 CONFIG_ARM_ERRATA_460075=y