Change in coreboot[master]: mainboard: add Dell Latitude E7240

[Iru Cai (vimacs) (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth, Angel Pons, Iru Cai, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/40300

to look at the new patch set (#3).

Change subject: mainboard: add Dell Latitude E7240
......................................................................

mainboard: add Dell Latitude E7240

Based on autoport output.

It boots from USB and mSATA with SeaBIOS.

Change-Id: I6933bdbcc8d0bbb85d62657624740266284ac71c
Signed-off-by: Iru Cai 
---
A Documentation/mainboard/dell/latitude_e7240.md
M Documentation/mainboard/index.md
A src/mainboard/dell/latitude_e7240/Kconfig
A src/mainboard/dell/latitude_e7240/Kconfig.name
A src/mainboard/dell/latitude_e7240/Makefile.inc
A src/mainboard/dell/latitude_e7240/acpi/ec.asl
A src/mainboard/dell/latitude_e7240/acpi/platform.asl
A src/mainboard/dell/latitude_e7240/acpi/superio.asl
A src/mainboard/dell/latitude_e7240/acpi_tables.c
A src/mainboard/dell/latitude_e7240/board_info.txt
A src/mainboard/dell/latitude_e7240/bootblock.c
A src/mainboard/dell/latitude_e7240/devicetree.cb
A src/mainboard/dell/latitude_e7240/dsdt.asl
A src/mainboard/dell/latitude_e7240/gma-mainboard.ads
A src/mainboard/dell/latitude_e7240/gpio.c
A src/mainboard/dell/latitude_e7240/hda_verb.c
A src/mainboard/dell/latitude_e7240/mainboard.c
A src/mainboard/dell/latitude_e7240/romstage.c
18 files changed, 506 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/40300/3