The kernel build system supports making symbol type files (*.symtypes) from C
source files.  Add these files to .gitignore.
Signed-off-by: NJosh Triplett <josh@freedesktop.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>