Merging for-next into master for release 1.4.0

[ivpi]

This commit merges new functionalities and bug fixes for OX release 1.4.0 New functionalities include:

• pblk support (LightNVM host-side FTL and file systems on top of the DFC equipped with OX);
• Single sector reads;
• Per sector OOB data transfer;
• Multi-channel I/O commands;
• Runtime command line;
  • Enable/disable debug without restarting OX;
  • Show queues status at runtime;
• Create bad block table as admin command;
• Three types of bad block table creation;
  • Emergency table;
  • Fast scan (erase blocks);
  • Full scan (erase, write full, read full, compare buffers);
• NAND level reset in case of timeout (FPGA is stuck);
• Controller level reset in case of nvme timeout (host reset);