Update to v5.16 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.16

Test: Builds and bionic unit tests pass.
Change-Id: I2522c4f2a0efb9f8a193e1f2d65868e478217502
diff --git a/libc/kernel/uapi/drm/mga_drm.h b/libc/kernel/uapi/drm/mga_drm.h
index 4959502..dc62961 100644
--- a/libc/kernel/uapi/drm/mga_drm.h
+++ b/libc/kernel/uapi/drm/mga_drm.h
@@ -175,7 +175,7 @@
     MGA_CLEANUP_DMA = 0x02
   } func;
   unsigned long sarea_priv_offset;
-  int chipset;
+  __struct_group(, always32bit,, int chipset;
   int sgram;
   unsigned int maccess;
   unsigned int fb_cpp;
@@ -185,6 +185,7 @@
   unsigned int depth_offset, depth_pitch;
   unsigned int texture_offset[MGA_NR_TEX_HEAPS];
   unsigned int texture_size[MGA_NR_TEX_HEAPS];
+ );
   unsigned long fb_offset;
   unsigned long mmio_offset;
   unsigned long status_offset;