firmware: tegra: Add XHCI firmware v45.46 for T124

Add firmware file for the T124 XHCI controller, along with the NVIDIA
license file.
Signed-off-by: Andrew Chew <achew@nvidia.com>
Signed-off-by: Kyle McMartin <kyle@kernel.org>

LICENCE.nvidia

+           License For Customer Use of NVIDIA Software
+
+
+IMPORTANT NOTICE -- READ CAREFULLY: This License For Customer Use of
+NVIDIA Software ("LICENSE") is the agreement which governs use of
+the software of NVIDIA Corporation and its subsidiaries ("NVIDIA")
+downloadable herefrom, including computer software and associated
+printed materials ("SOFTWARE").  By downloading, installing, copying,
+or otherwise using the SOFTWARE, you agree to be bound by the terms
+of this LICENSE.  If you do not agree to the terms of this LICENSE,
+do not download the SOFTWARE.
+
+RECITALS
+
+Use of NVIDIA's products requires three elements: the SOFTWARE, the
+hardware, and a personal computer. The SOFTWARE is protected by copyright
+laws and international copyright treaties, as well as other intellectual
+property laws and treaties.  The SOFTWARE may be protected by various
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+in accordance with this document.  The hardware is protected by various
+patents, and is sold, but this agreement does not cover that sale, since
+it may not necessarily be sold as a package with the SOFTWARE.  This
+agreement sets forth the terms and conditions of the SOFTWARE LICENSE only.
+
+1.  DEFINITIONS
+
+1.1  Customer.  Customer means the entity or individual that
+downloads or otherwise obtains the SOFTWARE.
+
+2.  GRANT OF LICENSE
+
+2.1  Rights and Limitations of Grant.  NVIDIA hereby grants Customer
+the following non-exclusive, non-transferable right to use the
+SOFTWARE, with the following limitations:
+
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+and make multiple back-up copies of the SOFTWARE, solely for Customer's
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+
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+
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+
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+
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+else.
+
+3.  TERMINATION
+
+This LICENSE will automatically terminate if Customer fails to
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+Customer must destroy all copies of the SOFTWARE and all of its
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+DISCLAIM ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT
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+EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL NVIDIA OR
+ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR
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+

WHENCE

@@ -2702,3 +2702,11 @@ File: sms1xxx-stellar-dvbt-01.fw
 File: tdmb_nova_12mhz.inp
 
 Licence: Redistributable. See LICENCE.siano for details
+
+--------------------------------------------------------------------------
+
+Driver: xhci-tegra -- NVIDIA Tegra124 XHCI driver
+
+File: nvidia/tegra124/xusb.bin
+
+Licence: Redistributable. See LICENCE.nvidia for details