rebuild patch queue from patch-queue branch

modified patches:
porting-kfreebsd-hurd/FTBFS-hurd-adding-GNU-Hurd-to-the-list-of-OS-systems.patch

obsolete patches (fixed upstream):
porting-armel/fix-skia-for-ARMv4.patch
porting-armel/FTBFS-armel-fixing-usage-int-on-ARM-audio-backend.patch