Update to existing recommendation for L2ACTLR configuration to prevent system instability and optimize performance. These apply to both OMAP5 and DRA7. Reported-by: Vivek Chengalvala <vchengalvala@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>