patch 9.1.0108: filetype: no support for dtso files

Problem:  filetype: no support for dtso files
Solution: Add detection for *.dtso files as dts file type
          (Markus Schneider-Pargmann)

*.dtso files are devicetree overlay files which have the same syntax as dts or dtsi files.

closes: #14026

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 96f1a55..cacfec5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    108,
+/**/
     107,
 /**/
     106,