Please MFC PR #256468

Greetings!

About half a year ago I had reported PR #256468 which is about being 
unable to set breakpoints in armv7 binaries on arm64 hosts.  While this
has been fixed, it has never been merged into 13-CURRENT, so it'll likely
not enter into 13.1.  This is unfortunate as being able to debug armv7
binaries on arm64 hosts (e.g. running in armv7 jails) is kind of important.

Can someone go ahead and MFC this change before 13.1 drops?

Yours,
Robert Clausecker

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