Convert CONFIG_LAYERSCAPE_NS_ACCESS to Kconfig

This converts the following to Kconfig:
   CONFIG_LAYERSCAPE_NS_ACCESS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
index bcd9d73..051a4c5 100644
--- a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig
@@ -6,13 +6,14 @@
 CONFIG_SYS_MALLOC_LEN=0x500000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_ENV_SIZE=0x2000
-CONFIG_NXP_ESBC=y
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1012a-rdb"
 CONFIG_QSPI_AHB_INIT=y
 CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT=y
 CONFIG_SEC_FIRMWARE_ARMV8_PSCI=y
 CONFIG_AHCI=y
+CONFIG_NXP_ESBC=y
+CONFIG_LAYERSCAPE_NS_ACCESS=y
 CONFIG_SYS_MEMTEST_START=0x80000000
 CONFIG_SYS_MEMTEST_END=0x9fffffff
 CONFIG_DISTRO_DEFAULTS=y