[XL] Change in coreboot[main]: soc/sifive/fu740: Add FU740 SOC

[Maximilian Brune (Code Review)]

Attention is currently required from: Philipp Hug, ron minnich.

Hello Philipp Hug, build bot (Jenkins), ron minnich,

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

https://review.coreboot.org/c/coreboot/+/76689?usp=email

to look at the new patch set (#12).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: soc/sifive/fu740: Add FU740 SOC
......................................................................

soc/sifive/fu740: Add FU740 SOC

Signed-off-by: Maximilian Brune 
Change-Id: I4a8fe02ef0adcb939aa65377a35874715c5ee58a
---
A src/soc/sifive/fu740/Kconfig
A src/soc/sifive/fu740/Makefile.inc
A src/soc/sifive/fu740/TODO
A src/soc/sifive/fu740/cbmem.c
A src/soc/sifive/fu740/chip.c
A src/soc/sifive/fu740/clint.c
A src/soc/sifive/fu740/clock.c
A src/soc/sifive/fu740/ddrregs.c
A src/soc/sifive/fu740/gpio.c
A src/soc/sifive/fu740/include/soc/addressmap.h
A src/soc/sifive/fu740/include/soc/clock.h
A src/soc/sifive/fu740/include/soc/gpio.h
A src/soc/sifive/fu740/include/soc/otp.h
A src/soc/sifive/fu740/include/soc/sdram.h
A src/soc/sifive/fu740/include/soc/spi.h
A src/soc/sifive/fu740/memlayout.ld
A src/soc/sifive/fu740/otp.c
A src/soc/sifive/fu740/regconfig-ctl.h
A src/soc/sifive/fu740/regconfig-phy.h
A src/soc/sifive/fu740/sdram.c
A src/soc/sifive/fu740/spi.c
A src/soc/sifive/fu740/spi_internal.h
A src/soc/sifive/fu740/uart.c
23 files changed, 4,679 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/76689/12