[POWERPC] ps3: add interrupt support
[POWERPC] ps3: add interrupt support

Adds routines to interface with the PS3 interrupt services.

Signed-off-by: Geoff Levand <058b6ffe73540731b6df5cbcf27480d0bdbf7afb@am.sony.com>
Signed-off-by: Arnd Bergmann <31ce0e01d6a887319e98c2278af71350d5f64c4f@de.ibm.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs