Integrate u-boot-seco-rk/ap/e09-multivideo

Commit: https://git.seco.com/edgehog/bsp/rockchip/u-boot-seco-rk/-/commit/82dafe2ad493c828df031fe42c852ba02c176c4d

[E09][OVERLAYS] add overlays for multivideo

Add two new overlays in the config menu:

• HDMI + eDP
• HDMI + LVDS via SN65DSI84

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Commit: https://git.seco.com/edgehog/bsp/rockchip/u-boot-seco-rk/-/commit/84d19b15368601b5327a2e5fdf0318ef8fe88dc6

[E09] non-functional: fix indentation

Fix indentation (tabs/spaces)