zbb 24d0082cdc Block secondary ITS instances from attaching on ARM64
Currently FreeBSD supports only single PIC controller. Some systems
that have more than one (like ThunderX dual-socket) fails to boot.
Disable other PICes until proper handling is implemented in the
generic interrupt code.

Reviewed by:   imp
Obtained from: Semihalf
Sponsored by:  The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D3682
2015-09-16 23:59:45 +00:00
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