sys: Remove $FreeBSD$: one-line .c comment pattern

Remove /^/[*/]\s*\$FreeBSD\$.*\n/

ixl(4): Update version number to 2.0.0-k

And update copyrights to current year.

MFC after: 1 month
Sponsored by: Intel Corporation

ixl(4): Update to 1.9.9-k

Refresh upstream driver before impending conversion to iflib.

Major changes:

- Support for descriptor writeback mode (required by ixlv(4) for AVF support)
- Ability to disable firmware LLDP agent by user (PR 221530)
- Fix for TX queue hang when using TSO (PR 221919)
- Separate descriptor ring sizes for TX and RX rings

PR: 221530, 221919
Submitted by: Krzysztof Galazka <krzysztof.galazka@intel.com>
Reviewed by: #IntelNetworking
MFC after: 1 day
Relnotes: Yes
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D14985

Update SW4 to the Intel ixl/ixlv drivers. This is primarily a shared
code update, with supporting changes in the CORE. Changes for the extended
media types, VF driver has virtual channel protocol changes, and some
register use corrections. This software change should be coordinated with
Firmware updates to your hardware, contact your support channels for that.

MFC after: 1 week

Remove executable property from several ixl(4) source files.

Differential Revision: https://reviews.freebsd.org/D2583
Reviewed by: erj

Update to the Intel Base driver for the Intel XL710 Ethernet Controller Family
- It was decided to change the driver name to if_ixl for FreeBSD
- This release adds the VF Driver to the tree, it can be built into
the kernel or as the if_ixlv module
- The VF driver is independent for the first time, this will be
desireable when full SRIOV capability is added to the OS.
- Thanks to my new coworker Eric Joyner for his superb work in
both the core and vf driver code.

Enjoy everyone!

Submitted by: jack.vogel@intel.com and eric.joyner@intel.com
MFC after: 3 days (hoping to make 10.1)