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_zynqmp_mini_emmc1_defconfig b/configs/xilinx_zynqmp_mini_emmc1_defconfig
index e586790..c807af1 100644
--- a/configs/xilinx_zynqmp_mini_emmc1_defconfig
+++ b/configs/xilinx_zynqmp_mini_emmc1_defconfig
@@ -12,6 +12,7 @@
 CONFIG_SPL=y
 CONFIG_ZYNQMP_PSU_INIT_ENABLED=y
 # CONFIG_CMD_ZYNQMP is not set
+CONFIG_REMAKE_ELF=y
 CONFIG_SYS_LOAD_ADDR=0x8000000
 # CONFIG_MP is not set
 CONFIG_FIT=y