initial buildroot for linux 5.15

package/at/0003-getloadavg-fix-getloadavg.c-compilation-revert-to-3..patch

@@ -0,0 +1,39 @@
+From 4eda31cea9fb3c77fe2748a65960f24ffb42f9ff Mon Sep 17 00:00:00 2001
+From: Peter Korsgaard <jacmet@sunsite.dk>
+Date: Fri, 23 Jul 2021 16:51:17 +0200
+Subject: [PATCH] getloadavg: fix getloadavg.c compilation, revert to 3.1.10
+ version
+
+getloadavg.c shipped with 3.1.13 doesn't compile because it references
+headers not shipped. Fix it by simply reverting to the 3.1.10 version.
+
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
+Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
+[Giulio: convert patch to git format]
+---
+ getloadavg.c | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/getloadavg.c b/getloadavg.c
+index cf5869f..23d18eb 100644
+--- a/getloadavg.c
++++ b/getloadavg.c
+@@ -66,11 +66,12 @@ Boston, MA  02110-1301  USA */
+ 
+ /* This should always be first.  */
+ #ifdef HAVE_CONFIG_H
+-#include <config.h>
++#include "config.h"
+ #endif
+ 
+-#include "lisp.h"
+-#include "sysfile.h" /* for encapsulated open, close, read, write */
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <fcntl.h>
+ 
+ #ifndef HAVE_GETLOADAVG
+ 
+-- 
+2.25.1
+