Portduino work (#3049)

* Move to Portduino's getMacAddr()

* Add ST7735/S screen support

* Push Raspbian support into native target

* Remove latent pigpio references.

* CardKB defensive programming

* Adds configurable spidev

* Fixes to build on Fedora 40

* ENUMs are not #defines. Pull latest portduino

* Add more configuration options for SPI displays

* Add config.yaml option to set DIO3_TCXO_VOLTAGE

* change tft clear() to fillScreen()
Maintains compatability with ESPI driver.

* Adds TXen and RXen pins to portduino

* Add -c --config options to specify config file

* Fail when a specified config file is unavailable

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/meshUtils.h

@@ -8,5 +8,6 @@ template <class T> constexpr const T &clamp(const T &v, const T &lo, const T &hi
 
 #if (defined(ARCH_PORTDUINO) && !defined(STRNSTR))
 #define STRNSTR
+#include <string.h>
 char *strnstr(const char *s, const char *find, size_t slen);
 #endif