armv8: ls2040a: Add support of LS2040A SoC

Freescale's LS2040A is a another personality of LS2080A SoC
without AIOP support consisting of 4 armv8 cores.

Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@freescale.com>
Acked-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/include/asm/arch-fsl-layerscape/cpu.h

@@ -12,6 +12,7 @@ static struct cpu_type cpu_type_list[] = {
 	CPU_TYPE_ENTRY(LS2085, LS2085, 8),
 	CPU_TYPE_ENTRY(LS2045, LS2045, 4),
 	CPU_TYPE_ENTRY(LS1043, LS1043, 4),
+	CPU_TYPE_ENTRY(LS2040, LS2040, 4),
 };
 
 #ifndef CONFIG_SYS_DCACHE_OFF

arch/arm/include/asm/arch-fsl-layerscape/soc.h

@@ -45,6 +45,7 @@ struct cpu_type {
 #define SVR_LS2045		0x870120
 #define SVR_LS2080		0x870110
 #define SVR_LS2085		0x870100
+#define SVR_LS2040		0x870130
 
 #define SVR_MAJ(svr)		(((svr) >> 4) & 0xf)
 #define SVR_MIN(svr)		(((svr) >> 0) & 0xf)