Fix esp8266 'no network' build of HostTests

[mikee47]

Implementations of system_get_sdk_version() and system_get_chip_id() required.

[what-the-diff]

PR Summary

• Enhancements to component.mk

  • Updated the build sequence rule to include SDK version. This change ensures our software keeps in step with the Software Development Kit updates.
  • Extended the linker flags to reference the SDK version. This approach binds our project closer to the SDK, ensuring we optimise for the features and quirks of the current version.

• Update to user_interface.c

  • Incorporated an additional library to leverage functionalities related to key hardware peripherals.
  • Introduced new functions to retrieve SDK version and compute chip ID. These functions add to our ability to collect system-level details, crucial for identifying system status and resolving potential issues.
  • system_get_sdk_version() helps to know the version of the SDK we are currently using.
  • system_get_chip_id() pinpoints to the specific chip at use based on the MAC address. Understanding which chip is in use can be invaluable, especially in understanding related performance issues or limitations.

[mikee47]

Re. CI failure I'll rebase after #2703

[slaff]

I'll rebase after #2703

Go for it.