lib/ioat: Update the major SO version for libspdk_ioat.so

ABI dependency check tool complained the following:

00:06:10.012  ************************************
00:06:10.012  START TEST confirm_abi_deps
00:06:10.012  ************************************
00:06:11.559  No corresponding object for libspdk_bdev_uring.so in canonical directory. Skipping.
00:06:12.237  No corresponding object for libspdk_event_sock.so in canonical directory. Skipping.
00:06:12.485  Please update the major SO version for libspdk_ioat.so. A header accesible type has been modified since last release.
00:06:15.388  No corresponding object for libspdk_rdma.so in canonical directory. Skipping.
00:06:15.663  No corresponding object for libspdk_sock_uring.so in canonical directory. Skipping.
00:06:15.954  Processed 55 objects.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I2a6cc91ac56ed693ae0676cf64e01ed3ff620ffc
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3511


Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>