mb/lenovo/{t60,z61t}: Convert to variant board

Change-Id: I0a3076780ac5cf183235f06e4c56d0707bf5e6ca
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
---
M src/mainboard/lenovo/t60/Kconfig
M src/mainboard/lenovo/t60/Kconfig.name
M src/mainboard/lenovo/t60/board_info.txt
A src/mainboard/lenovo/t60/variants/t60/board_info.txt
R src/mainboard/lenovo/t60/variants/t60/data.vbt
R src/mainboard/lenovo/t60/variants/t60/devicetree.cb
R src/mainboard/lenovo/t60/variants/z61t/board_info.txt
R src/mainboard/lenovo/t60/variants/z61t/data.vbt
R src/mainboard/lenovo/t60/variants/z61t/devicetree.cb
D src/mainboard/lenovo/z61t/Kconfig
D src/mainboard/lenovo/z61t/Kconfig.name
D src/mainboard/lenovo/z61t/Makefile.inc
D src/mainboard/lenovo/z61t/acpi/dock.asl
D src/mainboard/lenovo/z61t/acpi/ec.asl
D src/mainboard/lenovo/z61t/acpi/gpe.asl
D src/mainboard/lenovo/z61t/acpi/ich7_pci_irqs.asl
D src/mainboard/lenovo/z61t/acpi/mainboard.asl
D src/mainboard/lenovo/z61t/acpi/platform.asl
D src/mainboard/lenovo/z61t/acpi/superio.asl
D src/mainboard/lenovo/z61t/acpi/video.asl
D src/mainboard/lenovo/z61t/acpi_tables.c
D src/mainboard/lenovo/z61t/cmos.default
D src/mainboard/lenovo/z61t/cmos.layout
D src/mainboard/lenovo/z61t/dock.c
D src/mainboard/lenovo/z61t/dock.h
D src/mainboard/lenovo/z61t/dsdt.asl
D src/mainboard/lenovo/z61t/gpio.c
D src/mainboard/lenovo/z61t/hda_verb.c
D src/mainboard/lenovo/z61t/mainboard.c
D src/mainboard/lenovo/z61t/mptable.c
D src/mainboard/lenovo/z61t/romstage.c
D src/mainboard/lenovo/z61t/smi.h
D src/mainboard/lenovo/z61t/smihandler.c
D src/mainboard/lenovo/z61t/thermal.h
34 files changed, 28 insertions(+), 1,627 deletions(-)