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>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 7a2ec6b..eaff166 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -309,7 +309,8 @@
 		printf("CPU%d(%s):%-4s MHz  ", core,
 		       type == TY_ITYP_VER_A7 ? "A7 " :
 		       (type == TY_ITYP_VER_A53 ? "A53" :
-			(type == TY_ITYP_VER_A57 ? "A57" : "   ")),
+		       (type == TY_ITYP_VER_A57 ? "A57" :
+		       (type == TY_ITYP_VER_A72 ? "A72" : "   "))),
 		       strmhz(buf, sysinfo.freq_processor[core]));
 	}
 	printf("\n       Bus:      %-4s MHz  ",