depends on CPU_V7
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This option enables the workaround for the 743622 Cortex-A9
- (r2p0..r2p2) erratum. Under very rare conditions, a faulty
+ (r2p*) erratum. Under very rare conditions, a faulty
optimisation in the Cortex-A9 Store Buffer may lead to data
corruption. This workaround sets a specific bit in the diagnostic
register of the Cortex-A9 which disables the Store Buffer