armv8: fsl-layerscape: Add A72 core detection

Add support to detect Cortex-A72 core for printing it out.
The Initiator Version of A72 core should be 0x4.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
3 files changed