add back gdbserver

Signed-off-by: Michel-FK <[email protected]>

Author: Michel-FK

FunKey/configs/funkey_defconfig

@@ -13,6 +13,7 @@ BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/FunKey-Project/FunKey-OS/releases
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_14=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
+BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY=y
 BR2_TARGET_OPTIMIZATION="-fno-PIC -march=armv7-a+neon-vfpv4 -mtune=cortex-a7 -mfpu=neon-vfpv4 -mvectorize-with-neon-quad -D__ARM_NEON__"
 BR2_TARGET_GENERIC_HOSTNAME="FunKey"
 BR2_TARGET_GENERIC_ISSUE="Welcome to Buildroot for the FunKey"