hope you could try boot via usbflash:  Go through below doc. for further readings. Troubleshoot Rommon on Catalyst 9000 Series Switches - Cisco 

Thanks you all for the comments/responses as I too have similar issue with eapol_timeout/invalid MIC.I too had tried enabling 802.11r ,but didn't fixed. Thanks anyway and keep rocking and rolling. This forums help to learn/resolve issues as Meraki TA...