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/LicheePi_Zero_defconfig b/configs/LicheePi_Zero_defconfig
index b50bae9..9815348 100644
--- a/configs/LicheePi_Zero_defconfig
+++ b/configs/LicheePi_Zero_defconfig
@@ -4,4 +4,5 @@
 CONFIG_SPL=y
 CONFIG_MACH_SUN8I_V3S=y
 CONFIG_DRAM_CLK=360
+# CONFIG_HAS_ARMV7_SECURE_BASE is not set
 # CONFIG_NETDEVICES is not set