Update includes in VAD example

The interrupt.h was moved into a different folder in the commit
4427421f3747a720fae6298e72665cd1066fec59.

Change-Id: Id1522f04ff9f51c227aac79c7c3e3e5e539fe60e
Signed-off-by: Bence Balogh <bence.balogh@arm.com>
1 file changed