script: dtc: clean generated files

Fix "make distclean" to clean up generated dtc files.

Without this patch the following files are left around:
 - dtc-lexer.lex.c
 - dtc-parser.tab.c
 - dtc-parser.tab.h

Change-Id: I0dd3b4804bd244827b02be9446f239b5bfef3d0c
Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Git-commit: 4f3be1cfa8422c93271dcdb59f223f6c84c70804
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: David Collins <collinsd@codeaurora.org>
1 file changed