Cactus: Create tertiary partition

In order to test the RXTX_MAP API a tertiary cactus partition without a
RX_TX region specified in its manifest is required. This patch adds this
SP which is loaded at 0x730000. The primary and secondary SP's
RX_TX regions are moved to allow for this.

Signed-off-by: Ruari Phipps <ruari.phipps@arm.com>
Change-Id: Idefe4bd7b589e974a0f011ba702763cadfec5df9
4 files changed