epicardium: increase stack sizes [MANUAL MERGE]

libff13 allocates working memory for LFS on the stack, which caused a stack overflow. Increase stack size, give the dispatcher task a little more than the others...

epicardium/FreeRTOSConfig.h

@@ -16,7 +16,7 @@
  *
  * Heap is managed by libc (heap_3.c).
  */
-#define configMINIMAL_STACK_SIZE    ((unsigned short)128)
+#define configMINIMAL_STACK_SIZE    ((unsigned short)1024)
 
 /* FIXME: Assign proper priorities to all interrupts */
 #define configMAX_PRIORITIES        5
@@ -73,4 +73,12 @@ void post_idle_sleep(TickType_t xExpectedIdleTime);
 #define configPOST_SLEEP_PROCESSING(xExpectedIdleTime) \
 	post_idle_sleep(xExpectedIdleTime)
 
+/*
+ * Uncomment to trace FreeRTOS malloc wrapper.
+ *
+ */
+// #include <stdio.h>
+// #define traceMALLOC( pvAddress, uiSize ) printf("[%s:%d] %p %d\n", __FILE__, __LINE__, pvAddress, uiSize)
+
+
 #endif /* FREERTOS_CONFIG_H */