libunwind: update to 1.6.2

Remove upstreamed:
- 001-Don-t-force-exec_prefix-lib64-libdir-on-ppc64.patch

Signed-off-by: Nick Hainke <vincent@systemli.org>

package/libs/libunwind/patches/001-Don-t-force-exec_prefix-lib64-libdir-on-ppc64.patch

@@ -1,29 +0,0 @@
-From 0af7e7a53480ce8e1cf6cfb4e9fe071c1185ef31 Mon Sep 17 00:00:00 2001
-From: Matthias Diener <matthias.diener@gmail.com>
-Date: Fri, 2 Jul 2021 12:36:10 -0500
-Subject: [PATCH] Don't force {exec_prefix}/lib64 libdir on ppc64
-
----
- configure.ac | 6 ------
- 1 file changed, 6 deletions(-)
-
-diff --git a/configure.ac b/configure.ac
-index 9fadc163..0dec4ca6 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -215,12 +215,6 @@ fi
- AM_CONDITIONAL(USE_DWARF, [test x$use_dwarf = xyes])
- AC_MSG_RESULT([$use_dwarf])
- 
--if test x$target_arch = xppc64; then
--        libdir='${exec_prefix}/lib64'
--        AC_MSG_NOTICE([PowerPC64 detected, lib will be installed ${libdir}]);
--        AC_SUBST([libdir])
--fi
--
- AC_MSG_CHECKING([whether to restrict build to remote support])
- if test x$target_arch != x$host_arch; then
-   CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"
--- 
-2.32.0
-