Change pairing name

Author: NickeZ

src/bootloader/bootloader.c

@@ -301,6 +301,8 @@ static void _render_message(const char* message, int duration)
     delay_ms(duration);
 }
 
+#define DEVICE_NAME_PREFIX "Pairing: "
+
 void bootloader_render_default_screen(void)
 {
     UG_ClearBuffer();
@@ -309,8 +311,8 @@ void bootloader_render_default_screen(void)
     if (communication_mode_ble_enabled() &&
         da14531_connected_state < DA14531_CONNECTED_CONNECTED_SECURED) {
         UG_PutString(0, SCREEN_HEIGHT - 9 * 2 - 5, "See the BitBoxApp", false);
-        char buf[MEMORY_DEVICE_NAME_MAX_LEN] = {0};
-        memory_random_name(buf);
+        char buf[MEMORY_DEVICE_NAME_MAX_LEN + sizeof(DEVICE_NAME_PREFIX)] = DEVICE_NAME_PREFIX;
+        memory_random_name(&buf[sizeof(DEVICE_NAME_PREFIX) - 1]);
         UG_PutString(0, SCREEN_HEIGHT - 9, buf, false);
     } else {
         if (_is_app_flash_empty) {

src/memory/memory_shared.c

@@ -242,7 +242,7 @@ void memory_random_name(char* name_out)
         snprintf(
             cached_name,
             MEMORY_DEVICE_NAME_MAX_LEN,
-            "BitBox %c%c%c%c",
+            "Nova %c%c%c%c",
             letters[0],
             letters[1],
             letters[2],