linux-firmware: Add i915 DMC firmware

DMC provides additional graphics low-power idle states. It provides
capability to save and restore display registers across these low-power
states independently from the OS/Kernel.

This is the first release of DMC firmware for Skylake platforms.

skl_dmc_ver1.bin is a symbolik link to latest recommended minor release.
This major version will be just upgraded on code when it is required
software changes for API/ABI compatibility.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

LICENSE.i915

@@ -0,0 +1,39 @@
+Copyright (c) 2015, Intel Corporation.
+All rights reserved.
+
+Redistribution.  Redistribution and use in binary form, without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions must reproduce the above copyright notice and the
+  following disclaimer in the documentation and/or other materials
+  provided with the distribution.
+* Neither the name of Intel Corporation nor the names of its suppliers
+  may be used to endorse or promote products derived from this software
+  without specific prior written permission.
+* No reverse engineering, decompilation, or disassembly of this software
+  is permitted.
+
+Limited patent license.  Intel Corporation grants a world-wide,
+royalty-free, non-exclusive license under patents it now or hereafter
+owns or controls to make, have made, use, import, offer to sell and
+sell ("Utilize") this software, but solely to the extent that any
+such patent is necessary to Utilize the software alone, or in
+combination with an operating system licensed under an approved Open
+Source license as listed by the Open Source Initiative at
+http://opensource.org/licenses.  The patent license shall not apply to
+any other combinations which include this software.  No hardware per
+se is licensed hereunder.
+
+DISCLAIMER.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.

WHENCE

@@ -2756,3 +2756,14 @@ File: nvidia/tegra210/xusb.bin
 Version: v50.07
 
 Licence: Redistributable. See LICENCE.nvidia for details
+
+--------------------------------------------------------------------------
+
+Driver: i915 -- Intel Integrated Graphics driver
+
+File: i915/skl_dmc_ver1_04.bin
+
+File: i915/skl_dmc_ver1.bin
+Version: DMC API/ABI ver 1 - release 04 for Skylake
+
+License: Redistributable. See LICENSE.i915 for details

i915/skl_dmc_ver1.bin

@@ -0,0 +1 @@
+skl_dmc_ver1_04.bin