CONFIG_SOC_TZ1090 is not available for thedefaultarchitecture x86.
Result is shown for architecture metag

Toumaz Xenif TZ1090 SoC (Comet)

configname: CONFIG_SOC_TZ1090

SoC Type
└─>Toumaz Xenif TZ1090 SoC (Comet)
In linux kernel since version 3.11 (release Date: 2013-09-02)  
This is a Toumaz Technology Xenif TZ1090 (A.K.A. Comet) SoC containing
a 2-threaded HTP.