BRUSSELS — The EU’s most influential solar panel lobbying group reinstated Huawei’s membership just months after it expelled the Chinese company over its alleged involvement in a bribery and corruption scandal.  As part of the reinstatement, SolarPower Europe’s top executive insisted that Huawei would not be allowed to “actively participate” in the lobbying group’s activities to not run afoul of the EU’s ban on meeting with Huawei lobbyists.  The conditions were imposed on Huawei to “ensure