[meta,cmake] Restructure project and introduce CMake tooling

Rearrange project to conform to current best-practices in modern C++ repo organization.

Introduce initial configuration file for the CMake meta-build system, based on the restructured organization.

src/wzdma/wz-xdma-ioctl.h

 #ifndef WZ_XDMA_IOCTL_H
 #define WZ_XDMA_IOCTL_H 1
 
+#include <stdint.h>
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <stdint.h>
-
 #include "wz-xdma-consts.h"
 
 // Structures used to notify the application about the received block of data