Add libpeci to the build

libpeci has moved to meson and is used by other packages, so include it
in the CI build.

Tested:
Confirmed that peci-pcie CI build correctly pulls in libpeci.

Change-Id: I832260825fc13a614da0e95cf262a319a9e2ce35
Signed-off-by: Jason M. Bills <jason.m.bills@intel.com>
1 file changed