Add back A2DP_I2S_MAX_WRITE_SIZE

Author: pschatzmann

src/config.h

@@ -20,6 +20,10 @@
 #  define A2DP_SPP_SUPPORT (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 0, 0))
 #endif
 
+// Maximum write size
+#ifndef A2DP_I2S_MAX_WRITE_SIZE 
+#  define A2DP_I2S_MAX_WRITE_SIZE 1024 * 5
+#endif
 
 // Maximum wait time for status change in 100 ms when calling end()
 #ifndef A2DP_DISCONNECT_LIMIT