sync: normalize more of Linux UAPI headers

Normalize UAPI headers that had single underscore between UAPI and LINUX.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>

include/uapi/linux/if_link.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _UAPI_LINUX_IF_LINK_H
-#define _UAPI_LINUX_IF_LINK_H
+#ifndef _LINUX_IF_LINK_H
+#define _LINUX_IF_LINK_H
 
 #include <linux/types.h>
 #include <linux/netlink.h>
@@ -1977,4 +1977,4 @@ enum {
 
 #define IFLA_DSA_MAX	(__IFLA_DSA_MAX - 1)
 
-#endif /* _UAPI_LINUX_IF_LINK_H */
+#endif /* _LINUX_IF_LINK_H */

include/uapi/linux/netdev.h

@@ -3,8 +3,8 @@
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN uapi header */
 
-#ifndef _UAPI_LINUX_NETDEV_H
-#define _UAPI_LINUX_NETDEV_H
+#ifndef _LINUX_NETDEV_H
+#define _LINUX_NETDEV_H
 
 #define NETDEV_FAMILY_NAME	"netdev"
 #define NETDEV_FAMILY_VERSION	1
@@ -228,4 +228,4 @@ enum {
 #define NETDEV_MCGRP_MGMT	"mgmt"
 #define NETDEV_MCGRP_PAGE_POOL	"page-pool"
 
-#endif /* _UAPI_LINUX_NETDEV_H */
+#endif /* _LINUX_NETDEV_H */

include/uapi/linux/perf_event.h

@@ -12,8 +12,8 @@
  *
  * For licencing details see kernel-base/COPYING
  */
-#ifndef _UAPI_LINUX_PERF_EVENT_H
-#define _UAPI_LINUX_PERF_EVENT_H
+#ifndef _LINUX_PERF_EVENT_H
+#define _LINUX_PERF_EVENT_H
 
 #include <linux/types.h>
 #include <linux/ioctl.h>
@@ -1483,4 +1483,4 @@ union perf_sample_weight {
 #endif
 };
 
-#endif /* _UAPI_LINUX_PERF_EVENT_H */
+#endif /* _LINUX_PERF_EVENT_H */