pan/bi: Use src1/dest_invert instead of src_invert[]

This maps more closely to the hardware, which makes for easier packing.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6749>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index b986a12..6f0578a 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -237,7 +237,8 @@
 };
 
 struct bi_bitwise {
-        bool src_invert[2];
+        bool dest_invert;
+        bool src1_invert;
         bool rshift; /* false for lshift */
 };