Update to v6.2 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.2

Test: Bionic unit tests pass.
Change-Id: I9f665add01ebeb155dd8a934308897f90000a557
diff --git a/libc/kernel/uapi/linux/ipmi_ssif_bmc.h b/libc/kernel/uapi/linux/ipmi_ssif_bmc.h
new file mode 100644
index 0000000..866ed17
--- /dev/null
+++ b/libc/kernel/uapi/linux/ipmi_ssif_bmc.h
@@ -0,0 +1,27 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_LINUX_IPMI_SSIF_BMC_H
+#define _UAPI_LINUX_IPMI_SSIF_BMC_H
+#include <linux/types.h>
+#define IPMI_SSIF_PAYLOAD_MAX 254
+struct ipmi_ssif_msg {
+  unsigned int len;
+  __u8 payload[IPMI_SSIF_PAYLOAD_MAX];
+};
+#endif