connman: disable for sparc

Fixes:
http://autobuild.buildroot.net/results/333/3336df777c758cba9a660a0f6f31646258baec52/
http://autobuild.buildroot.net/results/efe/efeb197654b552ad9a80e102226c3e507640f037/

Connman uses __sync_fetch_and_add, which is not available for sparc.

[Peter: add !sparc dependency to comment, add autobuild reference]
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/connman/Config.in

@@ -7,6 +7,7 @@ config BR2_PACKAGE_CONNMAN
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus, libglib2
 	depends on BR2_USE_MMU # dbus, libglib2
 	depends on !BR2_STATIC_LIBS # needs dlopen()
+	depends on !BR2_sparc # needs atomic operation __sync_fetch_and_add
 	help
 	  The Connection Manager (ConnMan) project provides a daemon
 	  for managing internet connections within embedded devices
@@ -66,4 +67,5 @@ endif # BR2_PACKAGE_CONNMAN
 
 comment "connman needs a toolchain w/ wchar, threads, resolver, dynamic library"
 	depends on BR2_USE_MMU
+	depends on !BR2_sparc
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS