ARM: i.MX6: TARGET_NITROGEN6X: add 'select MX6QDL'

This fixes commit <91435cd40d30> "ARM: i.MX6: exclude the ARM errata
 from i.MX6 UP system"

for nitrogen6x. The above commit removed the errata for the board
since MX6Q/MXDL/MX6S is selected via CONFIG_SYS_EXTRA_OPTIONS

This restores the errata configs.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
1 file changed