s390/crypto: Add new subfunctions to the cpacf PRNO function.
There is a new TRNG extension in the subcodes for the cpacf PRNO function. This patch introduces new defines and a new cpacf_trng inline function to provide these new features for other kernel code parts. Signed-off-by: NHarald Freudenberger <freude@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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