armv8: ls1012a: Add support of PPA

The PPA implements PSCI which requires for power managment.

Added support of PPA for LS1012AQDS, LS1012ARDB and LS1012AFRDM.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c
index c2432c3..789cae2 100644
--- a/board/freescale/ls1012afrdm/ls1012afrdm.c
+++ b/board/freescale/ls1012afrdm/ls1012afrdm.c
@@ -9,6 +9,9 @@
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/fsl_serdes.h>
+#ifdef CONFIG_FSL_LS_PPA
+#include <asm/arch/ppa.h>
+#endif
 #include <asm/arch/soc.h>
 #include <hwconfig.h>
 #include <environment.h>
@@ -74,6 +77,9 @@
 	gd->env_addr = (ulong)&default_environment[0];
 #endif
 
+#ifdef CONFIG_FSL_LS_PPA
+	ppa_init();
+#endif
 	return 0;
 }