Update to kernel headers v5.2.

Test: Booted a taimen, ran unit bionic unit tests.
Change-Id: I3522c59793bbcef98ea515996a481d92f14b8816
diff --git a/libc/kernel/uapi/asm-mips/asm/sockios.h b/libc/kernel/uapi/asm-mips/asm/sockios.h
index 02261d7..4240418 100644
--- a/libc/kernel/uapi/asm-mips/asm/sockios.h
+++ b/libc/kernel/uapi/asm-mips/asm/sockios.h
@@ -24,6 +24,6 @@
 #define SIOCATMARK _IOR('s', 7, int)
 #define SIOCSPGRP _IOW('s', 8, pid_t)
 #define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906
-#define SIOCGSTAMPNS 0x8907
+#define SIOCGSTAMP_OLD 0x8906
+#define SIOCGSTAMPNS_OLD 0x8907
 #endif