imx6: standardise OCOTP and fuse config to mx6_common

According to README.mxc_ocotp the OCOTP is a stanard i.MX6 SoC feature
so centralise the config in mx6_common.h so functionality is standard
across all boards

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
16 files changed