Update to v6.1 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.1

Test: Bionic unit tests pass.
Change-Id: I9414fb5e698a9806b85eb09e37d763849f08a468
diff --git a/libc/kernel/uapi/linux/stat.h b/libc/kernel/uapi/linux/stat.h
index a15b9b5..89304ce 100644
--- a/libc/kernel/uapi/linux/stat.h
+++ b/libc/kernel/uapi/linux/stat.h
@@ -78,7 +78,8 @@
   __u32 stx_dev_major;
   __u32 stx_dev_minor;
   __u64 stx_mnt_id;
-  __u64 __spare2;
+  __u32 stx_dio_mem_align;
+  __u32 stx_dio_offset_align;
   __u64 __spare3[12];
 };
 #define STATX_TYPE 0x00000001U
@@ -95,6 +96,7 @@
 #define STATX_BASIC_STATS 0x000007ffU
 #define STATX_BTIME 0x00000800U
 #define STATX_MNT_ID 0x00001000U
+#define STATX_DIOALIGN 0x00002000U
 #define STATX__RESERVED 0x80000000U
 #define STATX_ALL 0x00000fffU
 #define STATX_ATTR_COMPRESSED 0x00000004