Adjust .travis.yml

Author: phil-opp

.travis.yml

@@ -23,8 +23,8 @@ notifications:
     on_failure: change
 
 script:
-- RUST_TARGET_PATH=`pwd` xargo build --target test --release
-- objcopy -O binary -S target/test/release/bootloader bootimage.bin
+- RUST_TARGET_PATH=`pwd` xargo build --target x86_64-bootloader --release
+- objcopy -O binary -S target/x86_64-bootloader/release/bootloader bootimage.bin
 
 after_success:
   - |