net-misc/ofono: import original version

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
net-misc/ofono: bump EAPI=5, fix #461906

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
net-misc/ofono: no need sed fix, already in this version

also remove comment for patch, due to clean-patch policy

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