[Doc] Add Referer header for CANN package download url. (#1192)

### What this PR does / why we need it?
fix the CANN download url

### Does this PR introduce _any_ user-facing change?
no, do not have any user-facing change

### How was this patch tested?
run the **wget** command and cann package is rightly downloaded.

---------

Signed-off-by: wan_danfeng <wonderful199082@126.com>
Signed-off-by: wangxiaoxin (A) <wangxiaoxin7@huawei.com>

Author: wonderful199082

docs/source/installation.md

@@ -78,17 +78,17 @@ source vllm-ascend-env/bin/activate
 pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple attrs 'numpy<2.0.0' decorator sympy cffi pyyaml pathlib2 psutil protobuf scipy requests absl-py wheel typing_extensions
 
 # Download and install the CANN package.
-wget https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-toolkit_8.1.RC1_linux-"$(uname -i)".run
+wget --header="Referer: https://www.hiascend.com/" https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-toolkit_8.1.RC1_linux-"$(uname -i)".run
 chmod +x ./Ascend-cann-toolkit_8.1.RC1_linux-"$(uname -i)".run
 ./Ascend-cann-toolkit_8.1.RC1_linux-"$(uname -i)".run --full
 
 source /usr/local/Ascend/ascend-toolkit/set_env.sh
 
-wget https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-kernels-910b_8.1.RC1_linux-"$(uname -i)".run
+wget --header="Referer: https://www.hiascend.com/" https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-kernels-910b_8.1.RC1_linux-"$(uname -i)".run
 chmod +x ./Ascend-cann-kernels-910b_8.1.RC1_linux-"$(uname -i)".run
 ./Ascend-cann-kernels-910b_8.1.RC1_linux-"$(uname -i)".run --install
 
-wget https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-nnal_8.1.RC1_linux-"$(uname -i)".run
+wget --header="Referer: https://www.hiascend.com/" https://ascend-repo.obs.cn-east-2.myhuaweicloud.com/CANN/CANN%208.1.RC1/Ascend-cann-nnal_8.1.RC1_linux-"$(uname -i)".run
 chmod +x ./Ascend-cann-nnal_8.1.RC1_linux-"$(uname -i)".run
 ./Ascend-cann-nnal_8.1.RC1_linux-"$(uname -i)".run --install