[PATCH] nvme: Add quirk to fix hang issue on SanDisk SSD

[Sagi Grimberg]

> The WDC PC SN520 SSD hangs on boot when APST is enabled, unless the
> nvme_core.default_ps_max_latency_us kernel parameter is set to a lower
> value. Add an entry for this drive to the 'core_quirks' table with the
> NO_DEEPEST_PS quirk to fix that.

Is this specific to a certain fw version? otherwise this should perhaps
live in the device ids table in pci.c ?