[V2] arm: pj4: check cpu id for pj4 cp0 access

[Stephen Warren]

On 03/18/2014 02:15 PM, Matt Porter wrote:
> On Fri, Jun 14, 2013 at 05:03:57AM -0400, Chao Xie wrote:
>> Check cpu id in pj4_cp0_init. So for no-PJ4 V7 cpus,
>> pj4_cpu0_init just return.
>> This fix will help to make the all the V7 cpus(pj4 and no-PJ4)
>> use same platform code.
>>
>> Signed-off-by: Chao Xie <chao.xie at marvell.com>
>> Acked-by: Arnd Bergmann <arnd at arndb.de>
> 
> This patch fixes a boot failure in next now that ARCH_DOVE (and thus
> CPU_PJ4) are enabled in multi_v7_defconfig. I verified that boot works
> again in next with the BCM28155-AP board.
> 
> Tested-by: Matt Porter <mporter at linaro.org>

This also solves the Tegra SoC boot failures with next-20130320.
Tested-by: Stephen Warren <swarren at nvidia.com>