CONFIG_IONIC is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT

Pensando Ethernet IONIC Support

modulename: ionic.ko

configname: CONFIG_IONIC

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>PCI support
└─>Pensando Ethernet IONIC Support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This enables the support for the Pensando family of Ethernet
adapters. More specific information on this driver can be
found in

To compile this driver as a module, choose M here. The module
will be called ionic.

source code: