[coreboot] [PATCH] CAR on Intel P6 Series - Support for model_6bx

[Joseph Smith]

Hello,
1. This patch adds CAR for Intel P6 series processors.
2. Add support for Micro-FCBGA 479 Celeron and PIII's
3. Add support for model_6bx and microcode updates
4. Add support for CAR and Tinybootblock on RCA RM4100 and Thomson IP1000

Build and boot tested (bootlog attached).

Signed-off-by: Joseph Smith