K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2020-09-02T11:53:26.230980Z
K 7
svn:log
V 234
When CPUTYPE is an architecture name use -march

Allow architecture names to be passed in to the build system via CPUTYPE.
This allows the user to use values such as armv8.1-a or armv8-a+crc as
the CPUTYPE.

Sponsored by:	Innovate UK

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