Fix Ci script

- cargo-binutils expects `--` argument before tool arguments
- There are no `post-*` branches in this repo
  - I forgot to remove this when I copied the CI script of blog_os.

Author: phil-opp

azure-pipelines.yml

@@ -10,8 +10,6 @@ trigger:
     - trying
     # Build pull requests.
     - master
-    # Build post braches
-    - post-*
 
 strategy:
   matrix:
@@ -100,7 +98,7 @@ steps:
   displayName: 'Build Bootloader'
   env: { KERNEL: "example-kernel/target/x86_64-example-kernel/debug/example-kernel" }
 
-- script: cargo objcopy -I elf64-x86-64 -O binary --binary-architecture=i386:x86-64 target/x86_64-bootloader/release/bootloader target/x86_64-bootloader/release/bootloader.bin
+- script: cargo objcopy -- -I elf64-x86-64 -O binary --binary-architecture=i386:x86-64 target/x86_64-bootloader/release/bootloader target/x86_64-bootloader/release/bootloader.bin
   displayName: 'Convert Bootloader ELF to Binary'
 
 - bash: |