chore: add kconfiglib to ohos-build's reqirements

this makes kconfiglib auto installed when installing ohos-build tool.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I5bdf379530f61d3cf50c968aea82d7f7db079bd2

setup.py

@@ -42,6 +42,7 @@ setup(
     package_data={'hb': ['common/config.json']},
     install_requires=[
         'prompt_toolkit==1.0.14',
+        'kconfiglib>=14.1.0',
         'PyYAML'
     ],
     entry_points={