n1sdp: enable TBB for runtime instr testing

The current SRAM limit is exceeded when ENABLE_RUNTIME_INSTR is enabled.
This commit enables running the runtime instrumentation test with
trusted board boot. This adds additional space in SRAM for BL2 without
affecting the runtime behaviour we are trying to measure.

Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
Change-Id: I592a5da91f4d565e767b36bc9c09499e3863f82e
1 file changed