armv8: mmu: Add support of non-identical mapping

Introduce virtual and physical addresses in the mapping table. This change
have no impact on existing boards because they all use idential mapping.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index 973b579..e34af6c 100644
--- a/board/armltd/vexpress64/vexpress64.c
+++ b/board/armltd/vexpress64/vexpress64.c
@@ -31,13 +31,15 @@
 
 static struct mm_region vexpress64_mem_map[] = {
 	{
-		.base = 0x0UL,
+		.virt = 0x0UL,
+		.phys = 0x0UL,
 		.size = 0x80000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE |
 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
 	}, {
-		.base = 0x80000000UL,
+		.virt = 0x80000000UL,
+		.phys = 0x80000000UL,
 		.size = 0xff80000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
diff --git a/board/cavium/thunderx/thunderx.c b/board/cavium/thunderx/thunderx.c
index 9131a38..960ca53 100644
--- a/board/cavium/thunderx/thunderx.c
+++ b/board/cavium/thunderx/thunderx.c
@@ -45,16 +45,19 @@
 
 static struct mm_region thunderx_mem_map[] = {
 	{
-		.base = 0x000000000000UL,
+		.virt = 0x000000000000UL,
+		.phys = 0x000000000000UL,
 		.size = 0x40000000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE,
 	}, {
-		.base = 0x800000000000UL,
+		.virt = 0x800000000000UL,
+		.phys = 0x800000000000UL,
 		.size = 0x40000000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE,
 	}, {
-		.base = 0x840000000000UL,
+		.virt = 0x840000000000UL,
+		.phys = 0x840000000000UL,
 		.size = 0x40000000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE,
diff --git a/board/hisilicon/hikey/hikey.c b/board/hisilicon/hikey/hikey.c
index 7abc678..72d6334 100644
--- a/board/hisilicon/hikey/hikey.c
+++ b/board/hisilicon/hikey/hikey.c
@@ -93,12 +93,14 @@
 
 static struct mm_region hikey_mem_map[] = {
 	{
-		.base = 0x0UL,
+		.virt = 0x0UL,
+		.phys = 0x0UL,
 		.size = 0x80000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {
-		.base = 0x80000000UL,
+		.virt = 0x80000000UL,
+		.phys = 0x80000000UL,
 		.size = 0x80000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE |
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index c45ddb1..fbfbf6c 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -234,12 +234,14 @@
 #ifdef CONFIG_ARM64
 static struct mm_region bcm2837_mem_map[] = {
 	{
-		.base = 0x00000000UL,
+		.virt = 0x00000000UL,
+		.phys = 0x00000000UL,
 		.size = 0x3f000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {
-		.base = 0x3f000000UL,
+		.virt = 0x3f000000UL,
+		.phys = 0x3f000000UL,
 		.size = 0x01000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE |