Revert "toolchain: switch to pkgconf"

This reverts commit f2f5c320d8619bb36ddd04980430e0521cb00e87.

too much pain. pkgconf injects sysrootprefix into variables, meh.
Revert "xorg-server: remove not more needed patch after switch to package 'pkgconf'"

This reverts commit 101849fb48b47bbcfc70bcb48128b61f6ea7371b.
Revert "taglib: fix pkgconf"

This reverts commit 9d124237aa1dc644df0ff114ffa448f44e1ea13d.

pkgconf is no more
Revert "scripts/build: also remove $INSTALL/$SYSROOT_PREFIX"

This reverts commit 721e73aaad55fb726e89943be84bbb4759342e52.

pkgconf is no more
Revert "Mesa: meh pkgconf. dridriverdir expanded..."

This reverts commit 68af6f6db759affad8949c2fcd760ee629af65af.

pkgconf is no more
Revert "connman: fix systemdunitdir / systemdunitdir"

This reverts commit 67ba967a192be44730e46a0bfa60059ad5e915ef.

pkgconf is no more
Revert "libffi: fix libffi.pc"

This reverts commit 23c1c579806d6a1906996a987d2174821354c83e.

pkgconf is no more
Revert "glew: fix pkgconf"

This reverts commit 0f01ac978fd054143894c0cfb0d5227094553205.

pkgconf is no more
Revert "freetype: fix pkgconf"

This reverts commit 932e3433064c09c8111691a9c00c39b0d5a715e0.

pkgconf is no more
Revert "kmod: fix pkgconf"

This reverts commit 4e8764cd9be40c7ea524ff267266b22d906867d8.

pkgconf is no more
Revert "pciutils: fix pkgconf"

This reverts commit 65caa646be88b632edee7da992221f3b6ce7ea48.

pkgconf is no more
Revert "systemd: fix pkgconf"

This reverts commit e1babd817beea9f79f475eee4ace359d56bd92fd.

pkgconf is no more
Revert "util-linux: fix pkgconf"

This reverts commit 896051565947244b8702c9e6b98deeff754cfa09.

pkgconf is no more
samba: kodi homedir is now /storage/.kodi
service.openelec.settings: kodi homedir is now /storage/.kodi
gdb: kodi homedir is now /storage/.kodi
boblightd: kodi homedir is now /storage/.kodi
tvheadend: kodi homedir is now /storage/.kodi
vdr-addon: kodi homedir is now /storage/.kodi
xbmc: kodi homedir is now /storage/.kodi

TODO update patches/xbmc-001-OpenELEC-01.patch