openvswitch: refresh patches

CI run fails due to dirty patches, so refresh them.

Fixes: f4f1a25e80 ("openvswitch: bump to version 2.15.0")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

net/openvswitch/patches/0002-python-separate-host-target-python-for-cross-compile.patch

@@ -22,7 +22,7 @@ Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
  BUILT_SOURCES =
 --- a/m4/openvswitch.m4
 +++ b/m4/openvswitch.m4
-@@ -383,6 +383,8 @@ else:
+@@ -372,6 +372,8 @@ else:
       AC_MSG_ERROR([Python 3.4 or later is required but not found in $PATH, please install it or set $PYTHON3 to point to it])
     fi
     AC_ARG_VAR([PYTHON3])

net/openvswitch/patches/0004-build-trim-build.patch

@@ -10,7 +10,7 @@ Signed-off-by: Yousong Zhou <zhouyousong@yunionyun.com>
 
 --- a/Makefile.am
 +++ b/Makefile.am
-@@ -475,12 +475,10 @@ dist-docs:
+@@ -477,12 +477,10 @@ dist-docs:
  	VERSION=$(VERSION) MAKE='$(MAKE)' $(srcdir)/build-aux/dist-docs $(srcdir) $(docs)
  .PHONY: dist-docs
  

net/openvswitch/patches/0007-build-only-link-libopenvswitch-with-libunwind-libunb.patch

@@ -32,7 +32,7 @@ Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
  Cflags: -I${includedir}/openvswitch
 --- a/m4/openvswitch.m4
 +++ b/m4/openvswitch.m4
-@@ -657,7 +657,8 @@ AC_DEFUN([OVS_CHECK_UNBOUND],
+@@ -646,7 +646,8 @@ AC_DEFUN([OVS_CHECK_UNBOUND],
    [AC_CHECK_LIB(unbound, ub_ctx_create, [HAVE_UNBOUND=yes], [HAVE_UNBOUND=no])
     if test "$HAVE_UNBOUND" = yes; then
       AC_DEFINE([HAVE_UNBOUND], [1], [Define to 1 if unbound is detected.])
@@ -42,7 +42,7 @@ Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
     fi
     AM_CONDITIONAL([HAVE_UNBOUND], [test "$HAVE_UNBOUND" = yes])
     AC_SUBST([HAVE_UNBOUND])])
-@@ -669,7 +670,8 @@ AC_DEFUN([OVS_CHECK_UNWIND],
+@@ -658,7 +659,8 @@ AC_DEFUN([OVS_CHECK_UNWIND],
     [HAVE_UNWIND=no])
     if test "$HAVE_UNWIND" = yes; then
       AC_DEFINE([HAVE_UNWIND], [1], [Define to 1 if unwind is detected.])