Add serial_free stub

Sebastian Stockhammer · Sebastian Stockhammer · commit 37b54ca44bed · 2019-10-24T10:24:35.000+02:00
diff --git a/targets/TARGET_Maxim/TARGET_MAX32620C/serial_api.c b/targets/TARGET_Maxim/TARGET_MAX32620C/serial_api.c
@@ -418,3 +418,8 @@ const PinMap *serial_rts_pinmap()
 {
     return PinMap_UART_RTS;
 }
+
+void serial_free(serial_t *obj)
+{
+    // Not implemented
+}

Original file line number	Diff line number	Diff line change
`@@ -418,3 +418,8 @@ const PinMap *serial_rts_pinmap()`
`418`	`418`	`{`
`419`	`419`	`return PinMap_UART_RTS;`
`420`	`420`	`}`
	`421`	`+`
	`422`	`+void serial_free(serial_t *obj)`
	`423`	`+{`
	`424`	`+ // Not implemented`
	`425`	`+}`