Update to kernel headers v5.2.

Test: Booted a taimen, ran unit bionic unit tests.
Change-Id: I3522c59793bbcef98ea515996a481d92f14b8816
diff --git a/libc/kernel/uapi/linux/switchtec_ioctl.h b/libc/kernel/uapi/linux/switchtec_ioctl.h
index 09cf9cd..2143148 100644
--- a/libc/kernel/uapi/linux/switchtec_ioctl.h
+++ b/libc/kernel/uapi/linux/switchtec_ioctl.h
@@ -46,7 +46,7 @@
   __u32 length;
   __u32 active;
 };
-struct switchtec_ioctl_event_summary {
+struct switchtec_ioctl_event_summary_legacy {
   __u64 global;
   __u64 part_bitmap;
   __u32 local_part;
@@ -54,6 +54,14 @@
   __u32 part[48];
   __u32 pff[48];
 };
+struct switchtec_ioctl_event_summary {
+  __u64 global;
+  __u64 part_bitmap;
+  __u32 local_part;
+  __u32 padding;
+  __u32 part[48];
+  __u32 pff[255];
+};
 #define SWITCHTEC_IOCTL_EVENT_STACK_ERROR 0
 #define SWITCHTEC_IOCTL_EVENT_PPU_ERROR 1
 #define SWITCHTEC_IOCTL_EVENT_ISP_ERROR 2
@@ -114,6 +122,7 @@
 #define SWITCHTEC_IOCTL_FLASH_INFO _IOR('W', 0x40, struct switchtec_ioctl_flash_info)
 #define SWITCHTEC_IOCTL_FLASH_PART_INFO _IOWR('W', 0x41, struct switchtec_ioctl_flash_part_info)
 #define SWITCHTEC_IOCTL_EVENT_SUMMARY _IOR('W', 0x42, struct switchtec_ioctl_event_summary)
+#define SWITCHTEC_IOCTL_EVENT_SUMMARY_LEGACY _IOR('W', 0x42, struct switchtec_ioctl_event_summary_legacy)
 #define SWITCHTEC_IOCTL_EVENT_CTL _IOWR('W', 0x43, struct switchtec_ioctl_event_ctl)
 #define SWITCHTEC_IOCTL_PFF_TO_PORT _IOWR('W', 0x44, struct switchtec_ioctl_pff_port)
 #define SWITCHTEC_IOCTL_PORT_TO_PFF _IOWR('W', 0x45, struct switchtec_ioctl_pff_port)