configs: Migrate CORTINA_FW_ADDR and CORTINA_FW_LENGTH to Kconfig

Use moveconfig.py script to convert below defines to Kconfig and move
these entries to defconfigs.
    CONFIG_CORTINA_FW_ADDR
    CONFIG_CORTINA_FW_LENGTH

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/ls2080ardb_nand_defconfig b/configs/ls2080ardb_nand_defconfig
index 6615958..d371fa5 100644
--- a/configs/ls2080ardb_nand_defconfig
+++ b/configs/ls2080ardb_nand_defconfig
@@ -58,6 +58,7 @@
 CONFIG_PHYLIB=y
 CONFIG_PHY_AQUANTIA=y
 CONFIG_PHY_CORTINA=y
+CONFIG_CORTINA_FW_ADDR=0x980000
 CONFIG_E1000=y
 CONFIG_MII=y
 CONFIG_NVME=y