dvfs/perf: Fix cmake target_link_libraries

Created by: nicola-mazzucato-arm

The scmi_perf module was left behind in a recent change for the dvfs module. This patch fixes the build with cmake.

Change-Id: I3c4b19f4a1b59a172b30f1cf1d1fb71f96f5e75d Signed-off-by: Nicola Mazzucato nicola.mazzucato@arm.com