There was already code written to zero out the BSS shared across all the bootloaders for PowerPC, the call to it had just gotten lost when our enthusiastic fell

There was already code written to zero out the BSS shared across all the bootloaders for PowerPC, the call to it had just gotten lost when our enthusiastic fellow kernel dev rewrote bootloaders for platforms they couldn't test. I assume I just added the call to the existing code back in.