volteer: Create volteer2 variant

Create the volteer2 variant of the volteer reference board by
copying the template files to a new directory named for the variant.

(Auto-Generated by create_coreboot_variant.sh version 4.1.1).

Modified to alphabetize and update to duplicate latest volteer changes
currently in the review and merge pipeline.

Added the following missing files from the variants/volteer2/ folder:
 - gpio.c
 - include/variant/acpi/dptf.asl
 - acpi/mipi_camera.asl
 - Makefile.inc
 - memory/dram_id.generated.txt
 - memory/Makefile.inc
 - memory/mem_list_variant.txt
 - overridetree.cb

BUG=b:159135047
BRANCH=None
TEST=util/abuild/abuild -p none -t google/volteer -x -a
make sure the build includes GOOGLE_VOLTEER2

Change-Id: I987c72b83dc993af248a753a2caa56be0f26c1ad
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42605
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: YH Lin <yueherngl@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions