baresip: fix parallel build

Include an upstream patch to fix random parallel build failures, such
as:

  CC [M]  build-arm/modules/ctrl_dbus/ctrl_dbus.o
modules/ctrl_dbus/ctrl_dbus.c:69:10: fatal error: baresipbus.h: No such
file or directory
   69 | #include "baresipbus.h"
      |          ^~~~~~~~~~~~~~
Signed-off-by: NEneas U de Queiroz <cotequeiroz@gmail.com>

net/baresip/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=baresip
 PKG_VERSION:=1.1.0
-PKG_RELEASE:=$(AUTORELEASE)
+PKG_RELEASE:=6
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/baresip/baresip/tar.gz/v$(PKG_VERSION)?

net/baresip/patches/010-fix-parallel-build.patch

+From d7aeb9393876af3746dacdbacd70c4a5d6dfcf39 Mon Sep 17 00:00:00 2001
+From: Christian Spielberger <c.spielberger@commend.com>
+Date: Sun, 23 May 2021 10:01:04 +0200
+Subject: [PATCH] ctrl_dbus: add dependency to baresipbus.h (#1447) (#1457)
+
+---
+ modules/ctrl_dbus/module.mk | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/modules/ctrl_dbus/module.mk
++++ b/modules/ctrl_dbus/module.mk
+@@ -16,7 +16,10 @@ $(MOD)_CFLAGS	+= -Wno-unused-parameter -
+ 
+ $(MOD)_CCHECK_OPT	= -e baresipbus.h -e baresipbus.c
+ 
+-modules/ctrl_dbus/baresipbus.h modules/ctrl_dbus/baresipbus.c: \
++modules/$(MOD)/baresipbus.o :	modules/$(MOD)/baresipbus.h
++modules/$(MOD)/ctrl_dbus.o :	modules/$(MOD)/baresipbus.h
++
++modules/$(MOD)/baresipbus.h modules/$(MOD)/baresipbus.c: \
+ 	modules/ctrl_dbus/com.github.Baresip.xml
+ 	@cd $(dir $@) && ./gen.sh
+