tree 49df5d8e2ae4d0163319a538aedbeab022c1d869
parent 66869f955417b89dbf6b7cbb72738b2205a26bf8
author York Sun <yorksun@freescale.com> 1426782627 -0700
committer York Sun <yorksun@freescale.com> 1429804553 -0700

driver/ddr/fsl: Fix driver to support empty first slot

CS0 was not allowed to be empty by u-boot driver in the past to simplify
the driver. This may be inconvenient for some debugging. This patch lifts
the restrictions. Controller interleaving still requires CS0 populated.

Signed-off-by: York Sun <yorksun@freescale.com>