k2hk: add support for k2hk SOC and EVM

k2hk EVM is based on Texas Instruments Keystone2 Hawking/Kepler
SoC. Keystone2 SoC has ARM v7 Cortex-A15 MPCore processor. Please
refer the ti/k2hk_evm/README for details on the board, build and other
information.

This patch add support for keystone architecture and k2hk evm.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Sandeep Nair <sandeep_n@ti.com>
diff --git a/boards.cfg b/boards.cfg
index 96a6967..c44ef0b 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -294,6 +294,7 @@
 Active  arm         armv7          exynos      samsung         trats2              trats2                               -                                                                                                                                 Piotr Wilczek <p.wilczek@samsung.com>
 Active  arm         armv7          exynos      samsung         universal_c210      s5pc210_universal                    -                                                                                                                                 Przemyslaw Marczak <p.marczak@samsung.com>
 Active  arm         armv7          highbank    -               highbank            highbank                             -                                                                                                                                 Rob Herring <rob.herring@calxeda.com>
+Active  arm         armv7          keystone    ti              k2hk_evm            k2hk_evm                             -                                                                                                                                 Vitaly Andrianov <vitalya@ti.com>
 Active  arm         armv7          mx5         denx            m53evk              m53evk                               m53evk:IMX_CONFIG=board/denx/m53evk/imximage.cfg                                                                                  Marek Vasut <marek.vasut@gmail.com>
 Active  arm         armv7          mx5         esg             ima3-mx53           ima3-mx53                            ima3-mx53:IMX_CONFIG=board/esg/ima3-mx53/imximage.cfg                                                                             -
 Active  arm         armv7          mx5         freescale       mx51evk             mx51evk                              mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg                                                                           Stefano Babic <sbabic@denx.de>