imx: imx6ul_evk: Enable DM driver for iMX6UL EVK u-boot

Convert the codes and configurations to enable DM drivers in u-boot for
modules: i2c, PMIC, regulator, USB, Ethernet, SD/MMC, GPIO and QSPI

This patch does not change SPL, so it still uses non-DM driver for
UART, GPIO and SD/MMC.

Signed-off-by: Ye Li <ye.li@nxp.com>
4 files changed