sata_fsl: Add asynchronous notification support
sata_fsl: Add asynchronous notification support

Enable device hot-plug support on Port multiplier fan-out ports

Signed-off-by: Ashish Kalra <ba52dc3ead57f14ec9efa5b4980fda3929717424@freescale.com>
Signed-off-by: Jeff Garzik <15f615bf7d20c2937c7eb5aa759110fd6768848c@redhat.com>

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