RSE: Unittests: Fix RSE Boot state unittests

Add missing include folders and macro definitions in the cmake
system.
The change also fixes an obsolete mock function call.

Change-Id: I56abcd39edc39edbf5db182daa81762ef0a93962
Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
2 files changed