tc2: use fip_gpt-tc.bin to support fwu
fip_gpt-tc.bin is the gpt image that has 4 partitions.
- FIP_A
- FIP_B
- FWU-Metadata
- Bkup-FWU-Metadata
These partitions are needed for the firmware update functionality.
Signed-off-by: Davidson K davidson.kumaresan@arm.com Change-Id: I186dee53d02dd1b22f54045a0709ec479f306b84