New board: Elecrow CrowPanel Avance 2.8" (#224)

- Added new board
- Extracted ST7789 driver and backlight PWM driver into separate subprojects
- Refactored T-Deck to use the shared driver modules
- Fix bug in WiFi service: searching for APs was broken

TactilityHeadless/Source/hal/sdcard/SpiSdCard.cpp

@@ -134,8 +134,8 @@ SdCardDevice::State SpiSdCardDevice::getState() const {
      * Writing and reading to the bus from 2 devices at the same time causes crashes.
      * This work-around ensures that this check is only happening when LVGL isn't rendering.
      */
-    if (config->lockable) {
-        bool locked = config->lockable->lock(50); // TODO: Refactor to a more reliable locking mechanism
+    if (config->lock) {
+        bool locked = config->lock->lock(50); // TODO: Refactor to a more reliable locking mechanism
         if (!locked) {
             TT_LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED_FMT, "LVGL");
             return State::Unknown;
@@ -144,8 +144,8 @@ SdCardDevice::State SpiSdCardDevice::getState() const {
 
     bool result = sdmmc_get_status(card) == ESP_OK;
 
-    if (config->lockable) {
-        config->lockable->unlock();
+    if (config->lock) {
+        config->lock->unlock();
     }
 
     if (result) {