Sync kernel dts for i.MX6UL from
commit <0a8ad0ffa4d8> ("Merge tag 'for-linus-5.3-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Add the board DTS files for 14x14 EVK and 9x9 EVK. They are necessary
for converting to use u-boot DM driver.
Two -u-boot.dtsi are added to modify compatible string of SPI flash
device to "spi-flash".
Signed-off-by: Ye Li <ye.li@nxp.com>