Switch kernel header parsing to python libclang

Replace the tokenizer in cpp.py with libclang.

Bug: 18937958
Change-Id: I27630904c6d2849418cd5ca3d3c612ec3078686d
diff --git a/libc/kernel/uapi/drm/sis_drm.h b/libc/kernel/uapi/drm/sis_drm.h
index 43789ac..5a9e868 100644
--- a/libc/kernel/uapi/drm/sis_drm.h
+++ b/libc/kernel/uapi/drm/sis_drm.h
@@ -29,30 +29,30 @@
 #define DRM_SIS_AGP_FREE 0x15
 #define DRM_SIS_FB_INIT 0x16
 #define DRM_IOCTL_SIS_FB_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_FB_ALLOC, drm_sis_mem_t)
-#define DRM_IOCTL_SIS_FB_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_FREE, drm_sis_mem_t)
+#define DRM_IOCTL_SIS_FB_FREE DRM_IOW(DRM_COMMAND_BASE + DRM_SIS_FB_FREE, drm_sis_mem_t)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DRM_IOCTL_SIS_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_INIT, drm_sis_agp_t)
 #define DRM_IOCTL_SIS_AGP_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_ALLOC, drm_sis_mem_t)
-#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_AGP_FREE, drm_sis_mem_t)
-#define DRM_IOCTL_SIS_FB_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_INIT, drm_sis_fb_t)
+#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW(DRM_COMMAND_BASE + DRM_SIS_AGP_FREE, drm_sis_mem_t)
+#define DRM_IOCTL_SIS_FB_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_SIS_FB_INIT, drm_sis_fb_t)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct {
- int context;
- unsigned long offset;
- unsigned long size;
+  int context;
+  unsigned long offset;
+  unsigned long size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long free;
+  unsigned long free;
 } drm_sis_mem_t;
 typedef struct {
- unsigned long offset, size;
+  unsigned long offset, size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } drm_sis_agp_t;
 typedef struct {
- unsigned long offset, size;
+  unsigned long offset, size;
 } drm_sis_fb_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct sis_file_private {
- struct list_head obj_list;
+  struct list_head obj_list;
 };
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */