Update Linux Kernel to v5.4.89 / 5.10.7
This also updates the `equuleus` branch kernel to 5.4.89
##Changes since v5.4.88
* 5.4.89 https://lwn.net/Articles/842412/
##Changes since v5.10.6
This also updates the `current` branch kernel to 5.10.7
* 5.10.7 https://lwn.net/Articles/842411/
Also migrate the firmware collector script to read in the kernel modules `firmware` string from the binary firmware file itself.