Differential D20676

[PPC] Fix loader input with newer QEMU versions
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Authored by luporl on Jun 17 2019, 7:34 PM.

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Reviewers

jhibbits
bdragon

Commits

rS349724: MFC r349188
rS349188: [PPC] Fix loader input with newer QEMU versions

Summary

At least since version 4.0.0, QEMU became bug-compatible with PowerVM's
vty, by inserting a \0 after every \r. As this confuses loader's
interpreter and as a \0 coming from the console doesn't seem reasonable,
it's now being filtered at OFW console input.