Remove driver model CONFIGs from the board config headers and use Kconfig instead.
Signed-off-by: Simon Glass
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6sabresd/mx6dlsabresd.cfg,MX6DL" CONFIG_ARM=y CONFIG_TARGET_MX6SABRESD=y CONFIG_DM=y CONFIG_DM_THERMAL=y
