This reverts commit a2bb323861.
nRF9280 does not suffer from the same bit 28 hardware bug as nRF54H20.
This workaround must be disabled to make the DCACHE function properly.
Signed-off-by: Grzegorz Swiderski <grzegorz.swiderski@nordicsemi.no>
nrf54h20 has a bug that requires to manually set 28th bit in the line
address. 28th bit indicates secure memory space. Add handling to the
cache driver.
Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>