configs: lx2160a: Enable FSPI support

Enable FSPI controller support. So, flash environment can now be used.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/lx2160ardb_tfa_defconfig b/configs/lx2160ardb_tfa_defconfig
index 3d469c9..3574334 100644
--- a/configs/lx2160ardb_tfa_defconfig
+++ b/configs/lx2160ardb_tfa_defconfig
@@ -4,6 +4,7 @@
 CONFIG_SYS_TEXT_BASE=0x82000000
 CONFIG_SYS_MALLOC_F_LEN=0x6000
 CONFIG_ENV_SIZE=0x2000
+CONFIG_ENV_SECT_SIZE=0x20000
 CONFIG_ENV_OFFSET=0x500000
 CONFIG_DM_GPIO=y
 CONFIG_EMC2305=y
@@ -33,6 +34,7 @@
 CONFIG_OF_BOARD_FIXUP=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-lx2160a-rdb"
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SATA_CEVA=y
@@ -63,6 +65,7 @@
 CONFIG_DM_SERIAL=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
+CONFIG_NXP_FSPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y