src/soc/intel: deduplicate cpu code

Move a whole bunch of copy-pasta code from soc/intel/{bdw,skl,cnl,icl,
tgl,ehl,jsl,adl} to soc/intel/common.

Change-Id: Ib0cc834de8492d59c423317598e1c11847a0b1ab
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
---
M src/soc/intel/alderlake/cpu.c
M src/soc/intel/broadwell/cpu.c
M src/soc/intel/cannonlake/cpu.c
M src/soc/intel/common/block/cpu/cpulib.c
M src/soc/intel/common/block/include/intelblocks/cpulib.h
M src/soc/intel/elkhartlake/cpu.c
M src/soc/intel/icelake/cpu.c
M src/soc/intel/jasperlake/cpu.c
M src/soc/intel/skylake/cpu.c
M src/soc/intel/tigerlake/cpu.c
10 files changed, 72 insertions(+), 356 deletions(-)