[ARM] 5489/1: ARM errata: Data written to the L2 cache can be overwritten with stale...

This patch is a workaround for the 460075 Cortex-A8 (r2p0) erratum. It
configures the L2 cache auxiliary control register so that the Write
Allocate mode for the L2 cache is disabled.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm/mm/proc-v7.S
Simple merge