ioatdma: Add 64bit chansts register read for ioat v3.3.
ioatdma: Add 64bit chansts register read for ioat v3.3.

The channel status register for v3.3 is now 64bit. Use readq if available
on v3.3 platforms.

Signed-off-by: Dave Jiang <7a72b0ecdf501e4593e842e1a61bf3d5b53699e6@intel.com>
Acked-by: Dan Williams <6291f50c5c0e88707a6118c214e5c12d843a54d6@fb.com>
Signed-off-by: Vinod Koul <5cf69c63beb17bf38d63aa0e923ee8256af0e205@intel.com>

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