Consolidate ADS5121 IO Pin configuration

Consolidate ADS5121 IO Pin configuration to one file
board/ads5121/iopin.c.

Remove pin config from cpu/mpc512x/fec.c

Signed-off-by: Martha Marx <mmarx@silicontkx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: John Rigby <jrigby@freescale.com>
6 files changed