Enable DM block, DM MMC and DM SATA support on iMX6Q Novena
convert board code to match the DM support.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Vagrant Cascadian <vagrant@debian.org>

Import iMX6Q Novena device tree from Linux 5.1-rc7 37624b58542f .
Enable DT control in full U-Boot .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Vagrant Cascadian <vagrant@debian.org>