Update Buildroot to 2021.02 (#1274)

buildroot/package/dhcpcd/0011-src-privsep-linux.c-add-support-for-m68k.patch

@@ -0,0 +1,37 @@
+From f7721a6728bfd786604474df051f463a12dd0335 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Fri, 5 Mar 2021 12:22:13 +0100
+Subject: [PATCH] src/privsep-linux.c: add support for m68k
+
+Fix the following build failure:
+
+privsep-linux.c:206:4: error: #error "Platform does not support seccomp filter yet"
+ #  error "Platform does not support seccomp filter yet"
+    ^~~~~
+In file included from privsep-linux.c:36:
+privsep-linux.c:213:38: error: 'SECCOMP_AUDIT_ARCH' undeclared here (not in a function); did you mean 'SECCOMP_ALLOW_ARG'?
+  BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, SECCOMP_AUDIT_ARCH, 1, 0),
+                                      ^~~~~~~~~~~~~~~~~~
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/rsmarples/dhcpcd/pull/29]
+---
+ src/privsep-linux.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/privsep-linux.c b/src/privsep-linux.c
+index 21d41a9a..7dc92083 100644
+--- a/src/privsep-linux.c
++++ b/src/privsep-linux.c
+@@ -188,6 +188,8 @@ ps_root_sendnetlink(struct dhcpcd_ctx *ctx, int protocol, struct msghdr *msg)
+ #  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_IA64
+ #elif defined(__microblaze__)
+ #  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MICROBLAZE
++#elif defined(__m68k__)
++#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_M68K
+ #elif defined(__mips__)
+ #  if defined(__MIPSEL__)
+ #    if defined(__LP64__)
+-- 
+2.30.0
+