tree 3a0415012bcaaf3635829b921b6895eb70d9bdd2
parent d7a6b0f8ad75c517626f7e7d9bb5a91040b5a037
author Ryan Harkin <ryan.harkin@linaro.org> 1389804907 +0000
committer Dan Handley <dan.handley@arm.com> 1390243504 +0000

Build system: add 'make help' option

Add the 'help' target to the Makefile to present a brief guide to the
various build options available.

Change-Id: Ic3a3489860b6362eb236470ea6b43a16a1b2fe3a
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>