Lenovo G550 broadcom wifi vendor 0x14e4 product 0x4315 (14e4:4315) working at last

working in 13.1 after:
- install with Yast (!!)
broadcom-wl-kmp-desktop-6.30.223.141_k3.11.10_17-3.2.i586.rpm
broadcom-wl-6.30.223.141-9.1.i586.rpm
- connect using /usr/sbin/wpa-gui