Add RP2 PIO background read #15672

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10 errors

Build unexpectedmaker_feathers2 for en_US took 100.23s and failed

Build unexpectedmaker_feathers2 for de_DE took 2.36s and failed

Build unexpectedmaker_feathers2 for en_GB took 2.18s and failed

Build unexpectedmaker_feathers2 for en_x_pirate took 2.11s and failed

Build unexpectedmaker_feathers2 for es took 2.35s and failed

Build unexpectedmaker_feathers2 for fil took 2.24s and failed

Build unexpectedmaker_feathers2 for fr took 2.35s and failed

Build unexpectedmaker_feathers2 for ID took 2.21s and failed

Build unexpectedmaker_feathers2 for it_IT took 2.17s and failed

Build unexpectedmaker_feathers2 for ja took 2.14s and failed