kernelconfig_penguin
CONFIG_KVM_AMD_SEV is not available for the default architecture x86.
Result is shown for architecture 64BIT

AMD Secure Encrypted Virtualization (SEV) support

configname: CONFIG_KVM_AMD_SEV

Linux Kernel Configuration
└─> Virtualization
└─> AMD Secure Encrypted Virtualization (SEV) support

In linux kernel since version 3.10 (release Date: 2013-06-30)  

Provides support for launching Encrypted VMs on AMD processors.