[202012][mellanox]: Add BIOS upgrade infra

[nazariig]

Signed-off-by: Nazarii Hnydyn [email protected]

Why I did it

• Added BIOS upgrade infra

How I did it

• Added new make target

How to verify it

1. Copy msn3800_bios.tar.gz to platform/mellanox/bios
2. make configure PLATFORM=mellanox
3. make target/files/buster/msn3800_bios.tar.gz

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211

Description for the changelog

• N/A

Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.

• N/A

Link to config_db schema for YANG module changes

• N/A

A picture of a cute animal (not mandatory but encouraged)

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[prsunny]

@liat-grozovik , @prgeor , can you please add this infra to 201911?