scripts/crosstool-ng: Change overide bin dir

Change the overide bin dir so it can be used by companion tools

Signed-off-by: Richard Strand <richard.strand@icomera.com>
[yann.morin.1998@anciens.enib.fr: more generic overide tools dir]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

menu "Tools facilities"

source config.gen/tools.in

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