Console not work with CONFIG_CONSOLE_ACTIVATE_FIRST

[Alexander Shiyan]

Hello.

Patch 05261801e9cde103b3c4df843472027c007531da changes input subsystem.
If the CONFIG_CONSOLE_ACTIVATE_FIRST is set and barebox config contain
one serial console and one input device (GPIO buttons, for example), the console stops working.
Currently I haven't found a solution for this, but the CONFIG_CONSOLE_ACTIVATE_ALL
solve the problem.

Thanks.

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