bump buildroot to 2019.02.2

bsp/buildroot/package/tor/0001-Fix-static-linking-with-OpenSSL.patch

@@ -15,11 +15,25 @@ Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
 Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 ---
+ acinclude.m4         | 2 +-
  configure.ac         | 4 ++--
  src/test/include.am  | 8 ++++----
  src/tools/include.am | 4 ++--
- 3 files changed, 8 insertions(+), 8 deletions(-)
+ 4 files changed, 9 insertions(+), 9 deletions(-)
 
+diff --git a/acinclude.m4 b/acinclude.m4
+index 5ecdf1d5c..be5633f4f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -166,7 +166,7 @@ AC_CACHE_CHECK([for $1 directory], tor_cv_library_$1_dir, [
+
+   for tor_trydir in "$try$1dir" "(system)" "$prefix" /usr/local /usr/pkg $8; do
+     LDFLAGS="$tor_saved_LDFLAGS"
+-    LIBS="$tor_saved_LIBS $3"
++    LIBS="$3 $tor_saved_LIBS"
+     CPPFLAGS="$tor_saved_CPPFLAGS"
+
+     if test -z "$tor_trydir" ; then
 diff --git a/configure.ac b/configure.ac
 index 05e1392cf..580befa6b 100644
 --- a/configure.ac