Convert CONFIG_REMAKE_ELF to Kconfig

This converts the following to Kconfig:
   CONFIG_REMAKE_ELF

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
diff --git a/configs/ls2080ardb_SECURE_BOOT_defconfig b/configs/ls2080ardb_SECURE_BOOT_defconfig
index 305272b..b8028f1 100644
--- a/configs/ls2080ardb_SECURE_BOOT_defconfig
+++ b/configs/ls2080ardb_SECURE_BOOT_defconfig
@@ -15,6 +15,7 @@
 CONFIG_FSL_LS_PPA=y
 CONFIG_AHCI=y
 # CONFIG_SYS_MALLOC_F is not set
+CONFIG_REMAKE_ELF=y
 CONFIG_MP=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y