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/xilinx_versal_mini_defconfig b/configs/xilinx_versal_mini_defconfig
index c90899b..79bcbf8 100644
--- a/configs/xilinx_versal_mini_defconfig
+++ b/configs/xilinx_versal_mini_defconfig
@@ -13,6 +13,7 @@
 CONFIG_COUNTER_FREQUENCY=100000000
 # CONFIG_PSCI_RESET is not set
 # CONFIG_EXPERT is not set
+CONFIG_REMAKE_ELF=y
 CONFIG_SYS_LOAD_ADDR=0x8000000
 # CONFIG_LEGACY_IMAGE_FORMAT is not set
 # CONFIG_AUTOBOOT is not set