[PATCH] powerpc: update mpc7448hpc2 board irq support usingdevice tree

[Zang Roy-r61911]

> 
> Same comment as the other patch, it looks like it got wrapped 
> by your mailer. Also make sure you don't add trailing 
> whitespaces (if you quilt, the latest version detects them 
> and has an option to fix them up for you).
> 
> Appart from that, what the patch does looks good.
> 
> Cheers,
> Ben.
> 

The issue is imported by my mail client (updated several days ago).
It is strange. I am tired. Hope to solve it tomorrow :-).
Roy