package/libbsd: fix sh4aeb build

Fix the following sh4aeb build failure:

In file included from nlist.c:44:
nlist.c: In function '__elf_is_okay__':
local-elf.h:223:25: error: 'ELFDATA2LMSB' undeclared (first use in this function); did you mean 'ELFDATA2LSB'?
  223 | #define ELF_TARG_DATA   ELFDATA2LMSB
      |                         ^~~~~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/2980fb79c208454195d77383f1ece9afbd7f981b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/libbsd/0001-src-local-elf.h-fix-big-endian-sh.patch

@@ -0,0 +1,39 @@
+From 93c9f8aa72349a4fe33e2a732100c76f3904eb80 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Tue, 7 Jun 2022 19:27:13 +0200
+Subject: [PATCH] src/local-elf.h: fix big endian sh
+
+Fix the following build failure with big endian sh (e.g. sh4aeb):
+
+In file included from nlist.c:44:
+nlist.c: In function '__elf_is_okay__':
+local-elf.h:223:25: error: 'ELFDATA2LMSB' undeclared (first use in this function); did you mean 'ELFDATA2LSB'?
+  223 | #define ELF_TARG_DATA   ELFDATA2LMSB
+      |                         ^~~~~~~~~~~~
+
+Fixes:
+ - http://autobuild.buildroot.org/results/2980fb79c208454195d77383f1ece9afbd7f981b
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status:
+https://gitlab.freedesktop.org/libbsd/libbsd/-/merge_requests/19]
+---
+ src/local-elf.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/local-elf.h b/src/local-elf.h
+index 1dd3b42..8c4794f 100644
+--- a/src/local-elf.h
++++ b/src/local-elf.h
+@@ -230,7 +230,7 @@
+ #if defined(__LITTLE_ENDIAN__)
+ #define ELF_TARG_DATA	ELFDATA2LSB
+ #elif defined(__BIG_ENDIAN__)
+-#define ELF_TARG_DATA	ELFDATA2LMSB
++#define ELF_TARG_DATA	ELFDATA2MSB
+ #else
+ #error Unknown SH endianness
+ #endif
+-- 
+2.35.1
+