[PATCH 4.9 158/310] cxgb4: FW upgrade fixes

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Arjun Vynipadath [ Upstream commit 26747211486c5bc7dd014c3caab206576e00c0d0 ] Disable FW_OK flag while flashing Firmware. This will help to fix any potential mailbox

[PATCH 4.9 158/310] cxgb4: FW upgrade fixes

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Arjun Vynipadath [ Upstream commit 26747211486c5bc7dd014c3caab206576e00c0d0 ] Disable FW_OK flag while flashing Firmware. This will help to fix any potential mailbox timeouts during Firmware