Remove binary and generated files from Kernel Demos (FreeRTOS#876)

* T-HEAD_CB2201_CDK: Remove temporary IDE files

* Remove Ateml Studio temporary / user files

* Remove visual studio .vcxproj.user and .suo files

* Remove png file (from atmel libraries)

* Convert .doc files to .md

* Remove .exe files

* Remove CodeWarrior temporary files

* CORTEX_MB9XXXX_IAR_Keil: Remove .out binary files

* Renesas: Remove autogenerated .nav files

* NiosII_CycloneIII_DBC3C40_GCC: Remove generated hex file

* Update gitignore to exclude unwanted binary or auto-generated files

* Xilinx: Remove temporary / generated files

* PIC32MEC14xx_MPLAB: remove disassembly file

Author: paulbartell

.gitignore

@@ -11,13 +11,44 @@
 [Ll]og/
 [Ll]ogs/
 
+# CodeWarrior temporary files
+*.tdt
+CWSettingsWindows.stg
+
+# Executable Files
+*.exe
+*.hex
+*.bin
+*.elf
+*.out
+*.rom
+
+# MS Word Files
+*.doc
+*.docx
+
 # Visual Studio cache/options directory
 .vs/
 
+# Visual Studio Solution / project User Option files
+*.suo
+*.vcxproj.user
+
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
 *.pyc
 
 # Ignore certificate files.
 *.pem
 *.crt
+
+# Atmel Studio user files
+*.atsuo
+
+# Image Files
+*.png
+*.jpg
+*.jpeg
+
+# Renesas IDE temporary files
+*.nav