Rename dtsi to overlay

config/.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = scace
+indent_size = 4

config/boards/shields/abyss/abyss.dtsi

@@ -11,10 +11,10 @@
         columns = <12>;
         rows = <4>;
         map = <
-        RC(0,1) RC(0,2) RC(0,3) RC(0,4)          RC(0,7) RC(0,8) RC(0,9) RC(0,10)
-RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4)          RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11)
-RC(2,0) RC(2,1) RC(2,2) RC(2,3)                          RC(2,8) RC(2,9) RC(2,10) RC(2,11)
-                    RC(3,3) RC(3,4) RC(3,5)  RC(3,6) RC(3,7) RC(3,8)
+                    RC(0,1) RC(0,2) RC(0,3) RC(0,4)          RC(0,7) RC(0,8) RC(0,9) RC(0,10)
+            RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4)          RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11)
+            RC(2,0) RC(2,1) RC(2,2) RC(2,3)                          RC(2,8) RC(2,9) RC(2,10) RC(2,11)
+                                RC(3,3) RC(3,4) RC(3,5)  RC(3,6) RC(3,7) RC(3,8)
         >;
     };
 

config/boards/shields/abyss/abyss_left.overlay

@@ -10,3 +10,5 @@
         , <&pro_micro 14 GPIO_ACTIVE_HIGH>
         ;
 };
+
+// vim: ft=dts

config/boards/shields/abyss/abyss_right.overlay

@@ -15,3 +15,5 @@
         , <&pro_micro 21 GPIO_ACTIVE_HIGH>
         ;
 };
+
+// vim: ft=dts