mpc85xx: Add reginfo command

The new command dumps the TLBCAM, the LAWs, and the BR/OR regs.
Add CONFIG_CMD_REGINFO to the config for all MPC85xx parts.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index 9955501..569da4f 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -547,6 +547,7 @@
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_SETEXPR
+#define CONFIG_CMD_REGINFO
 
 #if defined(CONFIG_PCI)
 #define CONFIG_CMD_PCI