net-fs/autofs: add initial 5.0.7-r2, copy from r2

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
net-fs/autofs: fix dmalloc, can't find -libdmalloc

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
net-fs/autofs: remove epatch_user, since it already include by autotools-utils

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
net-fs/autofs: fix libtirpc link err

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>