CONFIG_PA11 is not available for thedefaultarchitecture x86.
Result is shown for architecture parisc

CONFIG_PA11 (not configurable)

modulename: pci-dma.ko

configname: CONFIG_PA11

Linux/PA-RISC Kernel Configuration
└─>Processor type and features
└─>PA11
In linux kernel since version 2.6.12  
source code: