cibuild.sh: add objcopy support to MacOS

Signed-off-by: ligd <liguiding1@xiaomi.com>

Author: GUIDINGLI

cibuild.sh

@@ -37,7 +37,7 @@ EXTRA_PATH=
 
 case $os in
   Darwin)
-    install="python-tools u-boot-tools discoteq-flock elf-toolchain gen-romfs kconfig-frontends arm-gcc-toolchain riscv-gcc-toolchain xtensa-esp32-gcc-toolchain avr-gcc-toolchain c-cache"
+    install="python-tools u-boot-tools discoteq-flock elf-toolchain gen-romfs kconfig-frontends arm-gcc-toolchain riscv-gcc-toolchain xtensa-esp32-gcc-toolchain avr-gcc-toolchain c-cache binutils"
     mkdir -p ${prebuilt}/homebrew
     export HOMEBREW_CACHE=${prebuilt}/homebrew
     ;;
@@ -325,6 +325,18 @@ function c-cache {
   ln -sf `which ccache` $prebuilt/ccache/bin/avr-g++
 }
 
+function binutils {
+  add_path /usr/local/binutils/bin/
+
+  if ! type objcopy > /dev/null; then
+    case $os in
+      Darwin)
+        brew install binutils
+        ;;
+    esac
+  fi
+}
+
 function usage {
   echo ""
   echo "USAGE: $0 [-i] [-s] [-c] [-*] <testlist>"