docs: Add wikipedia link for LPC
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A Light Emitting Diode is a semiconductor that emits light when current flows through it.
-* **LPC - Low Pin Count bus**{#lpc}
+* **LPC - [Low Pin Count bus]**{#lpc}
Legacy communication bus between the [AP](#ap) and [EC](#ec). Runs at 33
MHz, providing a 133 Mbps bandwidth connection. Replaced by the
[I2C Specification]: <https://www.nxp.com/docs/en/user-guide/UM10204.pdf>
[RS-232]: <https://en.wikipedia.org/wiki/RS-232>
[EC MKBP driver]: <https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/common/keyboard_mkbp.c>
+[Low Pin Count bus]: https://en.wikipedia.org/wiki/Low_Pin_Count
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