spi/pl022: support runtime PM
spi/pl022: support runtime PM

Insert notifiers for the runtime PM API. With this the runtime
PM layer kicks in to action where used.

Signed-off-by: Rabin Vincent <b8c38523cce7640aaeed4045bf245272d3b467e3@stericsson.com>
Reviewed-by: Virupax Sadashivpetimath <937cd09833e84ec8506aa26a210177c07752c6db@stericsson.com>
Reviewed-by: Jonas Aberg <39fc1ce28f1cdf552b189618c2eb1c1bd8a697e7@stericsson.com>
Reviewed-by: Srinidhi Kasagar <36bfbb1c304809ea0032a12663697185f6a407dd@stericsson.com>
[Rebased to Linux 3.0-rc3, edit description]
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>
Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@secretlab.ca>

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