docs: pt_BR: Translate 3.Early-stage.rst into Portuguese

Translate the documentation file '3.Early-stage.rst' into Portuguese.

This section addresses corporate kernel development constraints,
the balance between company secrecy and the open-loop approach,
and the use of NDAs or Linux Foundation programs to avoid
integration issues.

Signed-off-by: Daniel Pereira <danielmaraboo@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260601192346.192752-1-danielmaraboo@gmail.com>
This commit is contained in:
Daniel Pereira 2026-06-01 16:23:44 -03:00 • committed by Jonathan Corbet
commit fa34b01aa0
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