[U-Boot] [PATCH] tt01: add video support and setup for release

This enables the display on tt-01 along with some minor setup changes (and fixes) for the release. I removed the HALE logo again, using preboot we can use a splash image like approach, but left in the console extra info as it provides useful information even if the screen is used as stdout.

[PATCH 1/3] tt01: fix environment size [PATCH 2/3] tt01: add video support [PATCH 3/3] tt01: fix hush parser config, add release config

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