freedreno/rnn: add variants/varset to domain

We have already been using this to describe pm4 packets that are
specific to certain generations.

Maybe we should introduce a new "packet" element type instead.  But
first lets just get validation working with what we already use.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6107>
diff --git a/src/freedreno/registers/rules-ng.xsd b/src/freedreno/registers/rules-ng.xsd
index ad94f64..2f511e0 100644
--- a/src/freedreno/registers/rules-ng.xsd
+++ b/src/freedreno/registers/rules-ng.xsd
@@ -84,6 +84,8 @@
 		<attribute name="prefix" type="NMTOKENS" use="optional" />

 		<attribute name="width" type="rng:DomainWidth" use="optional" />

 		<attribute name="size" type="rng:HexOrNumber" use="optional" />

+		<attribute name="varset" type="NMTOKEN" use="optional" />

+		<attribute name="variants" type="string" use="optional" />

 	</complexType>

 

 	<complexType name="groupType">