Change in ...coreboot[master]: {drivers,soc/intel/braswell}: Add C_ENVIRONMENT_BOOTBLOCK support

[Frans Hendriks (Code Review)]

Hello Patrick Rudolph, Huang Jin, Arthur Heymans, York Yang, Lee Leahy, build bot (Jenkins), Hannah Williams, Patrick Georgi, Martin Roth,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/29662

to look at the new patch set (#15).

Change subject: {drivers,soc/intel/braswell}: Add C_ENVIRONMENT_BOOTBLOCK support
......................................................................

{drivers,soc/intel/braswell}: Add C_ENVIRONMENT_BOOTBLOCK support

No C_ENVIRONMENT_BOOTBLOCK support for Braswell is available.
Enable support and add required files for the Braswell Bootblock in C.

The next changes are made support C_ENVIRONMENT_BOOTBLOCK:
- Add post init console functions romstage_c_entry() .
- Add car_stage_entry() function bootblock-c_entry() functions.
- Specify config DCACHE_BSP_STACK_SIZE and C_ENV_BOOTBLOCK_SIZE.
- Add bootblokc_c_entry().

Remove the unused cache_as_ram_main().

BUG=NA
TEST=Booting Embedded Linux on Facebook FBG-1701

Change-Id: Iab48ad72f1514c93f20d70db5ef4fd8fa2383e8c
Signed-off-by: Frans Hendriks 
---
M src/drivers/intel/fsp1_1/Makefile.inc
M src/drivers/intel/fsp1_1/car.c
M src/drivers/intel/fsp1_1/include/fsp/car.h
M src/soc/intel/braswell/Kconfig
M src/soc/intel/braswell/Makefile.inc
M src/soc/intel/braswell/bootblock/bootblock.c
R src/soc/intel/braswell/bootblock/cache_as_ram.S
M src/soc/intel/braswell/romstage/Makefile.inc
A src/soc/intel/braswell/romstage/car_stage_entry.S
9 files changed, 91 insertions(+), 171 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/62/29662/15