Add note about the extra wait being weird.

minichlink/pgm-esp32s2-ch32xx.c

@@ -236,7 +236,10 @@ int ESPBlockWrite64( void * dev, uint32_t address_to_write, uint8_t * data )
 	{
 		ESPFlushLLCommands( dev );
 	} while( eps->replylen < 2 );
+	
+	// Not sure why this is needed.
 	ESPWaitForDoneOp( dev, 0 );
+
 	return eps->reply[1];
 }
 
@@ -358,7 +361,6 @@ int ESPPollTerminal( void * dev, uint8_t * buffer, int maxlen, uint32_t leavefla
 
 	memcpy( buffer, eps->reply + 2, rlen - 1 );
 
-
 	return rlen - 1;
 }