arm: Define test_and_set_bit and test_and_clear bit for ARM
Needed for (e.g.) ubifs support to work.
Signed-off-by: NSimon Kagstrom <simon.kagstrom@netinsight.net>
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Needed for (e.g.) ubifs support to work.
Signed-off-by: NSimon Kagstrom <simon.kagstrom@netinsight.net>