This patch adds support for Arm's Neoverse V1 CPU to AArch32 binutils.

Testing:
 * Regression tested on arm-none-eabi.

OK for master?

Thanks,
Alex

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gas/ChangeLog:

2020-09-22  Alex Coplan  <alex.coplan@arm.com>

	* config/tc-arm.c (arm_cpus): Add Neoverse V1.
	* doc/c-arm.texi: Document Neoverse V1 support.