ice: Update to 1.42.1-k

Summary:
- Adds E830 device support
- Adds pre-release E825C support (for the Ethernet device included in
an upcoming Xeon D platform)
- Add sysctl for E810 devices to prin

ice: Update to 1.42.1-k

Summary:
- Adds E830 device support
- Adds pre-release E825C support (for the Ethernet device included in
an upcoming Xeon D platform)
- Add sysctl for E810 devices to print out PHY debug statistics (mostly
for FEC debugging)
- Adds per-TX-queue tso counter sysctl to count how many times a TSO offload
was requested for a packet, matching other Intel drivers
- Various bug fixes

Signed-off-by: Eric Joyner <erj@FreeBSD.org>

Tested by: Jeffrey Pieper <jeffrey.e.pieper@intel.com>
MFC after: 2 days
Relnotes: yes
Sponsored by: Intel Corporation
Differential Revisison: https://reviews.freebsd.org/D46949

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