Include SDCC working files

Author: DeanCording

.gitignore

@@ -6,6 +6,20 @@
 *.lib
 *.a
 
+# SDCC stuff
+*.lnk
+*.lst
+*.map
+*.mem
+*.rel
+*.rst
+*.sym
+*.asm
+
+*/dep/
+*/lib/
+*/obj/
+
 # Shared objects (inc. Windows DLLs)
 *.dll
 *.so
@@ -16,3 +30,5 @@
 *.exe
 *.out
 *.app
+
+**/.directory