armv8/fsl-layerscape: print SoC revsion number

The exact SoC revsion number can be recognized from U-Boot log.

Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
1 file changed