Add testing documentation for the newest Dasharo features

[sulewskiprzemyslaw]

The problem you're addressing (if any)

Some of the newest Dasharo features don't have any testing documentation which shows, how the Dasharo team tested them.

Describe the solution you'd like

The following newest Dasharo features should have documentation:

1. PS/2 Controller enable/disable option.
2. Chipset watchdog support during boot and watchdog configuration menu.
3. TCG2 TPM Physical Presence Interface support.
4. Early boot DMA protection.
5. Firmware setup password.
6. SED/OPAL disk password support.
7. SATA disk password.
8. Firmware performance reporting.
9. USB stack and mass storage enable/disable option.
10. Network Boot enable/disable option.
11. AcpiView command to UEFI Shell.
12. Platform will beep 12 times and blink HDD led on critical firmware errors, e.g. if memory training failed.
13. PCIe 5.0 firmware caching in flash which allows disabling ME without losing PCIe 5.0 port functionality.
14. Also, it would be advisable to expand the Secure Boot test set (mentioned in the following comment: #119

Where is the value to a user, and who might that user be?

1. With the introduction of test documentation for the newest features, users will be able to find out if any regression has occurred on the latest released firmware.
2. With the introduction of the test documentation for the newest features, users will be able to confirm, if all of the functionalities work as intended.

[sulewskiprzemyslaw]

Also, it would be advisable to expand the Secure Boot test set (mentioned in the following comment: #119 (comment)

[macpijan]

@sulewskiprzemyslaw Can we convert it into checklist and update? Some of these are already documented. Can we provide link to this documentation?