fix(imx8mp): change the BL31 physical load address

Change BL31 load address to 0x970000. This was done by Change-Id
I96d572fc. But then changed back to 0x960000 by Change-Id I8308c629.
However, 0x970000 is the correct value thus we change it back again.

Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Change-Id: Ia0db4877123b89072f723d18e2bcce25ef38f47d
diff --git a/plat/imx/imx8m/imx8mp/include/platform_def.h b/plat/imx/imx8m/imx8mp/include/platform_def.h
index 14b7ea0..486c1ee 100644
--- a/plat/imx/imx8m/imx8mp/include/platform_def.h
+++ b/plat/imx/imx8m/imx8mp/include/platform_def.h
@@ -36,10 +36,10 @@
 #define PLAT_STOP_OFF_STATE		U(3)
 
 #if defined(NEED_BL2)
-#define BL2_BASE			U(0x960000)
-#define BL2_LIMIT			U(0x980000)
-#define BL31_BASE			U(0x940000)
-#define BL31_LIMIT			U(0x960000)
+#define BL2_BASE			U(0x970000)
+#define BL2_LIMIT			U(0x990000)
+#define BL31_BASE			U(0x950000)
+#define BL31_LIMIT			U(0x970000)
 #define IMX_FIP_BASE			U(0x40310000)
 #define IMX_FIP_SIZE			U(0x000300000)
 #define IMX_FIP_LIMIT			U(FIP_BASE + FIP_SIZE)
@@ -49,8 +49,8 @@
 
 #define PLAT_IMX8MP_BOOT_MMC_BASE	U(0x30B50000) /* SD */
 #else
-#define BL31_BASE			U(0x960000)
-#define BL31_LIMIT			U(0x980000)
+#define BL31_BASE			U(0x970000)
+#define BL31_LIMIT			U(0x990000)
 #endif
 
 #define PLAT_PRI_BITS			U(3)