CONFIG_EP93XX_SDCE0_PHYS_OFFSET is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

0xc0000000 - SDCEO

configname: CONFIG_EP93XX_SDCE0_PHYS_OFFSET

EP93xx first SDRAM bank selection
└─>0xc0000000 - SDCEO
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Select this option if you want support for EP93xx boards with the
first SDRAM bank at 0xc0000000.