LICENSES: Add missing licenses and exceptions

These licenses and exceptions are allowed by coreboot's license checker,
but the copies of the licenses were missing from the LICENSES directory.

Signed-off-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Change-Id: Ic4233e556de08275fe50f1ec83828f9470b4b566
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66494
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
diff --git a/LICENSES/BSD-2-Clause-Patent.txt b/LICENSES/BSD-2-Clause-Patent.txt
new file mode 100644
index 0000000..e9eb2e7
--- /dev/null
+++ b/LICENSES/BSD-2-Clause-Patent.txt
@@ -0,0 +1,49 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1. Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+Subject to the terms and conditions of this license, each copyright
+holder and contributor hereby grants to those receiving rights under
+this license a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable (except for failure to satisfy the conditions
+of this license) patent license to make, have made, use, offer to sell,
+sell, import, and otherwise transfer this software, where such license
+applies only to those patent claims, already acquired or hereafter
+acquired, licensable by such copyright holder or contributor that are
+necessarily infringed by:
+
+(a) their Contribution(s) (the licensed copyrights of copyright holders
+   and non-copyrightable additions of contributors, in source or binary
+   form) alone;
+or
+(b) combination of their Contribution(s) with the work of authorship to
+   which such Contribution(s) was added by such copyright holder or
+   contributor, if, at the time the Contribution is added, such addition
+   causes such combination to be necessarily infringed. The patent
+   license shall not apply to any other combinations which include the
+   Contribution.
+
+Except as expressly stated above, no rights or licenses from any
+copyright holder or contributor is granted under this license, whether
+expressly, by implication, estoppel or otherwise.
+
+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
+HOLDERS 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.