[PATCH 7/7] staging: ccree: use signal safe completion wait

We were waiting for a completion notification of HW DMA operation using an interruptible wait which can result in data corruption if a signal interrupted us while DMA was not yet completed. Fix this by moving to uninterrupted wait. Fixes: abefd6741d ("staging: ccree: introduce CryptoCell HW

[PATCH 7/7] staging: ccree: use signal safe completion wait

We were waiting for a completion notification of HW DMA operation using an interruptible wait which can result in data corruption if a signal interrupted us while DMA was not yet completed. Fix this by moving to uninterrupted wait. Fixes: abefd6741d ("staging: ccree: introduce CryptoCell HW