dnsmasq: upgrade 2.72->2.75

-parallel-make.patch is not needed any more,so delete.

Signed-off-by: Lei Maohui <leimaohui@cn.fujitsu.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>