Implement support for ESP32 C6 and P4 SOCs (#421)

- Implement generic ESP32 devices
- Updated GitHub Actions to first build the SDKs. These are now based on the generic device implementations and the build act as a filter before compiling the dozens of other devices. It should save on resources when boards fail to compile.
- Adapted code to C6 and P4 differences, heavily borrowed from from https://github.com/ByteWelder/Tactility/pull/394 written by @marciogranzotto, with some changes of my own
- Updated `device.py` to make the `[display]` section optional

TactilityC/Source/symbols/gcc_soft_float.cpp

@@ -1,3 +1,5 @@
+#ifndef CONFIG_IDF_TARGET_ESP32P4
+
 #include <private/elf_symbol.h>
 #include <cstddef>
 
@@ -282,3 +284,5 @@ const esp_elfsym gcc_soft_float_symbols[] = {
 
     ESP_ELFSYM_END
 };
+
+#endif

TactilityC/Source/tt_init.cpp

@@ -28,10 +28,12 @@
 
 #include "symbols/esp_event.h"
 #include "symbols/esp_http_client.h"
-#include "symbols/gcc_soft_float.h"
 #include "symbols/pthread.h"
 #include "symbols/stl.h"
 #include "symbols/cplusplus.h"
+#ifndef CONFIG_IDF_TARGET_ESP32P4
+#include "symbols/gcc_soft_float.h"
+#endif
 
 #include <cstring>
 #include <ctype.h>
@@ -591,7 +593,9 @@ uintptr_t resolve_symbol(const esp_elfsym* source, const char* symbolName) {
 uintptr_t tt_symbol_resolver(const char* symbolName) {
     static const std::vector all_symbols = {
         main_symbols,
+#ifndef CONFIG_IDF_TARGET_ESP32P4
         gcc_soft_float_symbols,
+#endif
         stl_symbols,
         cplusplus_symbols,
         esp_event_symbols,