[v6,4/4] powerpc/85xx: add sysfs for pw20 state and altivec idle

[Dongsheng.Wang at freescale.com]

> /home/scott/fsl/git/linux/upstream/arch/powerpc/kernel/sysfs.c:326:19: error:
> 'PWRMGTCR0_AV_IDLE_CNT' undeclared (first use in this function)
> /home/scott/fsl/git/linux/upstream/arch/powerpc/kernel/sysfs.c:329:36: error:
> 'PWRMGTCR0_AV_IDLE_CNT_SHIFT' undeclared (first use in this function)
> make[2]: *** [arch/powerpc/kernel/sysfs.o] Error 1
> make[1]: *** [arch/powerpc/kernel] Error 2
> make[1]: *** Waiting for unfinished jobs....
> make: *** [sub-make] Error 2
> 
> I'll fix when applying with this:
> 

:), Thanks. 

-Dongsheng