Enable build on ppc64le systems

[madscientist159]

This fixes #8778

The other pull requests listed will need to be handled first, and the new ppc64le binaries uploaded, but the IDE works fine on a POWER9 Blackbird desktop using locally built binaries and this patch.

[madscientist159]

Pushed correct version, tested with Mega board.

[madscientist159]

Can we get this merged please?

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