refactor: Entire code base, thread and log usage

Boils down to:
- Include headers
- Reduce boiler plate with helpers
- Swap out explicit usages with core API layer
  and ensure the right API is configured beforehand

src/main/ezusb-iidx/ezusb-iidx.c

@@ -1,11 +1,12 @@
 #define LOG_MODULE "ezusb-iidx"
 
+#include "core/log.h"
+
 #include "ezusb-iidx/ezusb-iidx.h"
 
 #include "ezusb/ezusbsys2.h"
 
 #include "util/hex.h"
-#include "util/log.h"
 #include "util/time.h"
 
 #include "msg.h"

src/main/ezusb-iidx/fpga.c

@@ -4,7 +4,7 @@
 
 #include <stdio.h>
 
-#include "util/log.h"
+#include "core/log.h"
 
 #include "ezusb-iidx.h"
 #include "fpga-cmd.h"

src/main/ezusb-iidx/sram.c

@@ -1,8 +1,8 @@
 #define LOG_MODULE "ezusb-iidx-sram"
 
-#include "ezusb-iidx/sram.h"
+#include "core/log.h"
 
-#include "util/log.h"
+#include "ezusb-iidx/sram.h"
 
 #include "ezusb-iidx.h"
 #include "sram-cmd.h"