Convert CONFIG_SYS_BOOK3E_HV to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_BOOK3E_HV

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/T2080RDB_revD_defconfig b/configs/T2080RDB_revD_defconfig
index ca6a741..66a9d5d 100644
--- a/configs/T2080RDB_revD_defconfig
+++ b/configs/T2080RDB_revD_defconfig
@@ -12,6 +12,7 @@
 CONFIG_TARGET_T2080RDB=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
 CONFIG_ENABLE_36BIT_PHYS=y
+CONFIG_SYS_BOOK3E_HV=y
 CONFIG_T2080RDB_REV_D=y
 <<<<<<< HEAD
 =======