intel: Rename gen field in gen_device_info struct to ver

Commands used to do the changes:
export SEARCH_PATH="src/intel src/gallium/drivers/iris src/mesa/drivers/dri/i965"
grep -E "info\)*(.|->)gen" -rIl $SEARCH_PATH | xargs sed -ie "s/info\()*\)\(\.\|->\)gen/info\1\2ver/g"

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9936>

src/intel/common/intel_decoder.c

@@ -511,10 +511,10 @@ static int
 devinfo_to_gen(const struct gen_device_info *devinfo, bool x10)
 {
    if (devinfo->is_baytrail || devinfo->is_haswell) {
-      return devinfo->gen * 10 + 5;
+      return devinfo->ver * 10 + 5;
    }
 
-   return x10 ? devinfo->gen * 10 : devinfo->gen;
+   return x10 ? devinfo->ver * 10 : devinfo->ver;
 }
 
 static uint32_t zlib_inflate(const void *compressed_data,