Convert CONFIG_ARMV7_SECURE_BASE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_ARMV7_SECURE_BASE
   CONFIG_ARMV7_SECURE_MAX_SIZE
   CONFIG_ARMV7_SECURE_RESERVE_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/pg_wcom_seli8_defconfig b/configs/pg_wcom_seli8_defconfig
index bca0163..8e54fa5 100644
--- a/configs/pg_wcom_seli8_defconfig
+++ b/configs/pg_wcom_seli8_defconfig
@@ -21,6 +21,7 @@
 CONFIG_BOOTCOUNT_BOOTLIMIT=3
 CONFIG_SYS_BOOTCOUNT_ADDR=0x70000020
 CONFIG_SYS_CLK_FREQ=66666666
+# CONFIG_HAS_ARMV7_SECURE_BASE is not set
 CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_LOAD_ADDR=0x82000000