BL1: Failure in bl1_random_generate_noise() in pre-main does not proceed

bl1_random_generate_noise() collects noise values directly from the noise
source, make sure the BL1 code in pre-main does not proceed in case
failures are returned.

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: Ibc6c39c8560f15485db6d8d860c4cb90e797986e
2 files changed