There are some capabilities for the device that are interesting to user
apps that are interacting directly with the device. Expose gencap register
in sysfs to allow that information.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158256729399.55526.10842505054968710547.stgit@djiang5-desk3.ch.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>