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/cgtqmx8_defconfig b/configs/cgtqmx8_defconfig
index 91b309a..54b2d20 100644
--- a/configs/cgtqmx8_defconfig
+++ b/configs/cgtqmx8_defconfig
@@ -17,6 +17,7 @@
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
+CONFIG_REMAKE_ELF=y
 CONFIG_SYS_LOAD_ADDR=0x80280000
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y