- Remove references to removed build options.
- Update Makefile paths.
- Migrate to bl31_early_platform_setup2().

Change-Id: I51cbf09a0297ac1ee645a959063238c9d556d8e1
Tested-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>