Merge pull request #274 in SW_PON/linux from feature/DRVLIB_SW-563-verify-spi-nand-flash-filesystem-on-falcon_mountain-haps to xrx500

* commit '13aecfe1c3fa2b2b05e1857a3430a041b5f641b5':
  Use compatible string to determine qspi flash type
  Change ltq spinand compatible string