HSD #14018501141: free the fpga_mgr if the buffer allocation fails

Call fpga_mgr_unregister() to release the fpga mgr if send_buf fails
to get allocated.

Reported-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Dinh Nguyen <dinh.nguyen@linux.intel.com>
1 file changed