Update to v6.6 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.6

Test: Builds and bionic unit tests pass on raven.
Test: Able to log in to an Android GO 32 bit device.
Change-Id: Ib5ff5a23f382721d98d1e428a295c6794b190d8d
diff --git a/libc/kernel/uapi/drm/virtgpu_drm.h b/libc/kernel/uapi/drm/virtgpu_drm.h
index 342282d..cf73121 100644
--- a/libc/kernel/uapi/drm/virtgpu_drm.h
+++ b/libc/kernel/uapi/drm/virtgpu_drm.h
@@ -42,6 +42,13 @@
   __u32 handle;
   __u32 pad;
 };
+#define VIRTGPU_EXECBUF_SYNCOBJ_RESET 0x01
+#define VIRTGPU_EXECBUF_SYNCOBJ_FLAGS (VIRTGPU_EXECBUF_SYNCOBJ_RESET | 0)
+struct drm_virtgpu_execbuffer_syncobj {
+  __u32 handle;
+  __u32 flags;
+  __u64 point;
+};
 struct drm_virtgpu_execbuffer {
   __u32 flags;
   __u32 size;
@@ -50,7 +57,11 @@
   __u32 num_bo_handles;
   __s32 fence_fd;
   __u32 ring_idx;
-  __u32 pad;
+  __u32 syncobj_stride;
+  __u32 num_in_syncobjs;
+  __u32 num_out_syncobjs;
+  __u64 in_syncobjs;
+  __u64 out_syncobjs;
 };
 #define VIRTGPU_PARAM_3D_FEATURES 1
 #define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2