sysutils/intel-nvmupdate: Update to 6.01

• Bumped DISTVERSION
• Removed PORTREVISION
• Added NO_ARCH as this is a binary distribution for all the supported FreeBSD versions
• Added NO_ARCH_IGNORE to make poudriere happy
• Re-generated distinfo
• Re-generated pkg-plist

Submitted by: kozlov.sergey.404@gmail.com (Sergey Kozlov)
Reviewed by: swills
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D12180