dev/psci: Use the correct SMCCC TRNG field

The TRNG service will return random data in x3. Use the correct field
when filling the buffer in trng_read.

This driver has not been in any release, so no

dev/psci: Use the correct SMCCC TRNG field

The TRNG service will return random data in x3. Use the correct field
when filling the buffer in trng_read.

This driver has not been in any release, so no security advisory is
needed.

Reviewed by: bz
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50979

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dev/psci: Check for functions before calling

In the SMCCC TRNG and Errata ABI drivers check if the version
functions are implemented before calling them. Without this the firmware
may complain about

dev/psci: Check for functions before calling

In the SMCCC TRNG and Errata ABI drivers check if the version
functions are implemented before calling them. Without this the firmware
may complain about an unimplemented function being called.

Reported by: bz
Reviewed by: bz
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50978

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dev/psci: Use an SMCCC return value

Switch to the SMCCC not supported macro in smccc_arch_features. This
shouldn't be a functional change as the value is identical to the PSCI
value it replaces.

Re

dev/psci: Use an SMCCC return value

Switch to the SMCCC not supported macro in smccc_arch_features. This
shouldn't be a functional change as the value is identical to the PSCI
value it replaces.

Reviewed by: bz, emaste
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50977

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newbus: replace leftover device unit wildcards

Reviewed by: imp, jhb
Approved by: imp (mentor)
Differential Revision: https://reviews.freebsd.org/D50913