freedreno/registers: add missing copyright imports

Import copyright into all files so that it is included into the
generated headers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28193>

src/freedreno/registers/adreno/adreno_common.xml

@@ -2,6 +2,7 @@
 <database xmlns="http://nouveau.freedesktop.org/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
+<import file="freedreno_copyright.xml"/>
 
 <enum name="chip" bare="yes">
 	<value name="A2XX" value="2"/>

src/freedreno/registers/adreno/adreno_control_regs.xml

@@ -2,6 +2,7 @@
 <database xmlns="http://nouveau.freedesktop.org/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
+<import file="freedreno_copyright.xml"/>
 
 <!--
 	This documents the internal register spaces used by the CP firmware since

src/freedreno/registers/adreno/adreno_pipe_regs.xml

@@ -2,6 +2,7 @@
 <database xmlns="http://nouveau.freedesktop.org/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
+<import file="freedreno_copyright.xml"/>
 
 <!--
 	Pipe registers are a special kind of registers used by SQE on a6xxx, and

src/freedreno/registers/adreno/adreno_pm4.xml

@@ -2,6 +2,7 @@
 <database xmlns="http://nouveau.freedesktop.org/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
+<import file="freedreno_copyright.xml"/>
 <import file="adreno/adreno_common.xml"/>
 
 <enum name="vgt_event_type" varset="chip">