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/ls1043ardb_sdcard_SECURE_BOOT_defconfig b/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig
index c11e8ec..61e3482 100644
--- a/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig
+++ b/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig
@@ -16,6 +16,7 @@
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_REMAKE_ELF=y
 CONFIG_MP=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y