Add RP2 PIO background read #15672

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10 errors

Build unexpectedmaker_feathers2_prerelease for en_US took 99.87s and failed

Build unexpectedmaker_feathers2_prerelease for de_DE took 2.32s and failed

Build unexpectedmaker_feathers2_prerelease for en_GB took 2.08s and failed

Build unexpectedmaker_feathers2_prerelease for en_x_pirate took 2.08s and failed

Build unexpectedmaker_feathers2_prerelease for es took 2.31s and failed

Build unexpectedmaker_feathers2_prerelease for fil took 2.17s and failed

Build unexpectedmaker_feathers2_prerelease for fr took 2.27s and failed

Build unexpectedmaker_feathers2_prerelease for ID took 2.18s and failed

Build unexpectedmaker_feathers2_prerelease for it_IT took 2.16s and failed

Build unexpectedmaker_feathers2_prerelease for ja took 2.08s and failed