[gpu][spark-rapids] Fix MIG script (#1269)

* update mig from spark-rapids.sh

Signed-off-by: Suraj Aralihalli <[email protected]>

* add OS_NAME

Signed-off-by: Suraj Aralihalli <[email protected]>

---------

Signed-off-by: Suraj Aralihalli <[email protected]>

```
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Signed-off-by: C.J. Collier <[email protected]>
-----BEGIN PGP SIGNATURE-----

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SlX2c98M
=gi8s
-----END PGP SIGNATURE-----
```

Author: SurajAralihalli