mpc85xx: Add support for the P2020

Added various p2020 processor specific details:
* SVR for p2020, p2020E
* immap updates for LAWs and DDR on p2020
* LAW defines related to p2020

Signed-off-by: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
Signed-off-by: Travis Wheatley <Travis.Wheatley@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-ppc/fsl_law.h b/include/asm-ppc/fsl_law.h
index 5bba08d..e06a1a6 100644
--- a/include/asm-ppc/fsl_law.h
+++ b/include/asm-ppc/fsl_law.h
@@ -42,7 +42,7 @@
 #ifndef CONFIG_MPC8641
 	LAW_TRGT_IF_PCIE_1 = 0x02,
 #endif
-#ifndef CONFIG_MPC8572
+#if !defined(CONFIG_MPC8572) && !defined(CONFIG_P2020)
 	LAW_TRGT_IF_PCIE_3 = 0x03,
 #endif
 	LAW_TRGT_IF_LBC = 0x04,
@@ -61,7 +61,7 @@
 #define LAW_TRGT_IF_PCIE_1	LAW_TRGT_IF_PCI
 #endif
 
-#ifdef CONFIG_MPC8572
+#if defined(CONFIG_MPC8572) || defined(CONFIG_P2020)
 #define LAW_TRGT_IF_PCIE_3	LAW_TRGT_IF_PCI
 #endif