[Differential] [Updated] D2701: Add options to dmb() and dsb() macros

[zbb (Zbigniew Bodek)]

zbb marked 3 inline comments as done.
zbb added a comment.

REVISION DETAIL
  https://reviews.freebsd.org/D2701

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To: zbb, emaste, imp, ian, andrew
Cc: emaste, andrew, freebsd-arm-list, imp