CONFIG_PS3_PS3AV is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

PS3 AV settings driver

modulename: ps3av_mod.ko

configname: CONFIG_PS3_PS3AV

Linux Kernel Configuration
└─>PS3 Platform Options
└─>PS3 AV settings driver
In linux kernel since version 2.6.21 (release Date: 2007-04-25)  
Include support for the PS3 AV Settings driver.

This support is required for PS3 graphics and sound. In
general, all users will say Y or M.

source code:

depends
CONFIG_PPC_PS3

is selected by
CONFIG_FB_PS3