CONFIG_C293_PCIE is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
Freescale C293PCIE
modulename: c293pcie.ko
configname: CONFIG_C293_PCIE
Linux Kernel Configuration
└─>Freescale Book-E Machine Type
└─>Freescale C293PCIE
In linux kernel since version 3.10 (release Date: 2013-06-30)
This option enables support for the C293PCIE board