added vimrc for current project

1. Added vimrc config file for HIP
2. Corrected square sample indent

Change-Id: I3e1d92403571148fe6825db6ad63ad925ae69519

.vimrc

@@ -0,0 +1,4 @@
+:set tabstop=4
+:set shiftwidth=4
+:set expandtab
+:set smartindent