plat: imx8mm: Add image load logic for TBBR FIP booting
plat: imx8mm: Add image load logic for TBBR FIP booting

Signed-off-by: Bryan O'Donoghue <165dc05575478af93ac2f97f67be6e1756010094@linaro.org>
Signed-off-by: Ying-Chun Liu (PaulLiu) <d85c815cccd4e7eb2bf30ecc174aeb0eef10ab96@debian.org>
Change-Id: I0557ce6d0aa5ab321cac1ee25280b96762024396

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware