Move "select CACHE_AS_RAM" lines from boards into CPU socket.

Move "select CACHE_AS_RAM" lines from boards into CPU socket.

All K8/Fam10h boards use CAR, so move the "select CACHE_AS_RAM"
into the socket directories, and remove it from the individual boards.

Do the same for Intel CPUs/sockets where all boards use CAR.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6151 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1