Build: CS-1000: Put the provisioning bundle at 48 KiB offset

Reflect the increase in code size for BL1_1 from 40 to 48 KiB.
The provisioning bundle just appears at the end of the code
hence it requires an updated command to concatenate the binary.

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: Ia521037702332718e19d8464431f8c0c39288509
1 file changed