Merge tag 'spi-nor/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd...

MTD core changes:
- add debugfs nodes for querying the flash name and id

SPI NOR core changes:
- always use bounce buffer for register read/writes
- move m25p80 code in spi-nor.c
- rework hwcaps selection for the spi-mem case
- rework the core in order to move the manufacturer specific code
  out of it:
        - regroup flash parameters in 'struct spi_nor_flash_parameter'
        - add default_init() and post_sfdp() hooks to tweak the flash
          parameters
        - introduce the ->set_4byte(), ->convert_addr() and ->setup()
          methods, to deal with manufacturer specific code
        - rework the SPI NOR lock/unlock logic
- fix an error code in spi_nor_read_raw()
- fix a memory leak bug
- enable the debugfs for the partname and partid
- add support for few flashes

SPI NOR controller drivers changes:
- intel-spi:
        - Whitelist 4B read commands
        - Add support for Intel Tiger Lake SPI serial flash
- aspeed-smc: Add of_node_put()
- hisi-sfc: Add of_node_put()
- cadence-quadspi: Fix QSPI RCU Schedule Stall