CONFIG_SH_SDK7780 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

SDK7780R3

modulename: fixups-sdk7780.ko

and/or

ops-sdk7780.ko

configname: CONFIG_SH_SDK7780

Linux/SuperH Kernel Configuration
└─>System type
└─>Board support
└─>SDK7780R3
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
evaluation board.

source code:
/arch/sh/drivers/pci/