Version bump from 7.0.8 to 7.2.2

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

1.) pkg version bumped from 6.4.3 to 6.11.5
2.) maintainer changed to me (#4944 dhcpcd: needs a new maintainer)
3.) source changed from bz2 to xz
4.) removed old unnecessary patch
5.) minor style improvements

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

DHCPv4/IPv4LL/IPv6RS/DHCPv6 quad stack client.

Signed-off-by: Roy Marples <roy@marples.name>