board/freescale: Move CRC32 offset in NXID v1 data format

According to AN3638, CRC of NXID v1 is at the end of the
256-byte I2C memory. The wrong CRC32 offset prevents Uboot
from reading system information from EEPROM. No NXID v0 is
being used on Freescale boards.

Signed-off-by: Ebony Zhu <b45385@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
1 file changed