zbb c5fca5a29a Create proper FDT attachment for GICv2m
Avoid probing GICv2m to any parent bus/driver. Instead, match
GICv2m driver with FDT complatible strings as not every GIC
has a MSI controller in the form of GICv2m extension.

Submitted by:  Zbigniew Bodek <zbb@semihalf.com>
Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5015
2016-01-25 15:10:43 +00:00
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