Add syntax files from upstream vim repository

syntax/dts.vim

@@ -0,0 +1,34 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:	dts/dtsi (device tree files)
+" Maintainer:	Daniel Mack <vim@zonque.org>
+" Last Change:	2013 Oct 20
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syntax region dtsComment        start="/\*"  end="\*/"
+syntax match  dtsReference      "&[[:alpha:][:digit:]_]\+"
+syntax region dtsBinaryProperty start="\[" end="\]" 
+syntax match  dtsStringProperty "\".*\""
+syntax match  dtsKeyword        "/.\{-1,\}/"
+syntax match  dtsLabel          "^[[:space:]]*[[:alpha:][:digit:]_]\+:"
+syntax match  dtsNode           /[[:alpha:][:digit:]-_]\+\(@[0-9a-fA-F]\+\|\)[[:space:]]*{/he=e-1
+syntax region dtsCellProperty   start="<" end=">" contains=dtsReference,dtsBinaryProperty,dtsStringProperty,dtsComment
+syntax region dtsCommentInner   start="/\*"  end="\*/"
+syntax match  dtsCommentLine    "//.*$"
+
+hi def link dtsCellProperty     Number
+hi def link dtsBinaryProperty   Number
+hi def link dtsStringProperty   String
+hi def link dtsKeyword          Include
+hi def link dtsLabel            Label
+hi def link dtsNode             Structure
+hi def link dtsReference        Macro
+hi def link dtsComment          Comment
+hi def link dtsCommentInner     Comment 
+hi def link dtsCommentLine      Comment
+
+endif