cpu/intel: add microcode updates 20180312 for new CPU models

Intel's microcode release 20180312 includes updates for many more CPU
models than we currently track. By looking at what is included, we
create the missing directories and run the update-microcode.sh and
microcode2bin.sh scripts. This is the resulting change. Header files
are left out because they are not used anymore.

Sidenote: Since we create model_6ax, the relevant files from model_6xx
move to model_6ax. Everything else is trivial addition.

The available release notes for this and preceding releases follow
quoted here:

20180312 Release
== Updates upon 20171117 release ==
MODEL	STEP	f-mm-s:pf	version
-- New Platforms --
BDX-DE	EGW A0	6-56-5:10	e000009
SKX	B1	6-55-3:97	1000140
-- Updates --
SNB	D2	6-2a-7:12	29->2d
JKT	C1	6-2d-6:6d	619->61c
JKT	C2	6-2d-7:6d	710->713
IVB	E2	6-3a-9:12	1c->1f
IVT	C0	6-3e-4:ed	428->42c
IVT	D1	6-3e-7:ed	70d->713
HSW	Cx/Dx	6-3c-3:32	22->24
HSW-ULT Cx/Dx	6-45-1:72	20->23
CRW	Cx	6-46-1:32	17->19
HSX	C0	6-3f-2:6f	3a->3c
HSX-EX	E0	6-3f-4:80	0f->11
BDW-U/Y	E/F	6-3d-4:c0	25->2a
BDW-H	E/G	6-47-1:22	17->1d
BDX-DE	V0/V1	6-56-2:10	0f->15
BDW-DE	V2	6-56-3:10	700000d->7000012
BDW-DE	Y0	6-56-4:10	f00000a->f000011
SKL-U/Y	D0	6-4e-3:c0	ba->c2
SKL	R0	6-5e-3:36	ba->c2
KBL-U/Y	H0	6-8e-9:c0	62->84
KBL	B0	6-9e-9:2a	5e->84
CFL	D0	6-8e-a:c0	70->84
CFL	U0	6-9e-a:22	70->84
CFL	B0	6-9e-b:02	72->84
SKX	H0	6-55-4:b7	2000035->2000043

20171117 Release
-- New Platforms --
CFL U0 (06-9e-0a:22) 70
CFL B0 (06-9e-0b:2) 72
SKX H0 (06-55-04:b7) 2000035
GLK B0 (06-7a-01:1) 1e
APL Bx (06-5c-09:3) 2c
-- Updates --
KBL Y0 (06-8e-0a:c0) 66->70
-- Removed files --
SKX H0 (06-55-04:97) 2000022

20170511 Release
-- Updates --
BDX-ML B0/M0/R0 (06-4f-01:ef) b00001f->b000021
Skylake D0 (06-4e-03:c0) 9e->ba
Broadwell ULT/ULX E/F-step (06-3d-04:c0) 24->25
ULT Cx/Dx (06-45-01:72) 1f->20
Crystalwell Cx (06-46-01:32) 16->17
Broadwell Halo E/G-step (06-47-01:22) 16->17
HSX EX E0 (06-3f-04:80) d->f
Skylake R0 (06-5e-03:36) 9e->ba
Haswell Cx/Dx (06-3c-03:32) 20->22
HSX C0 (06-3f-02:6f) 39->3a

20170707 Release
-- New Platforms --
KBL H0 (06-8e-09:c0) 62
KBL Y0 (06-8e-0a:c0) 66
KBL B0 (06-9e-09:2a) 5e
SKX H0 (06-55-04:97) 2000022

Change-Id: Idd9252eef3202d84504c690e7348377254a7185e
Signed-off-by: Martin Kepplinger <martink@posteo.de>

Author: merge