If the PEI System Agent doesn't run PCIe initialization, the PEG
clock gating will not be setup. Add the PEG clock gating when
pei_data->pcie_init is 0.
Change-Id: I7e31bcebd11feb4807aa29b528adf09fb013c3ce
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/1827
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin@se-eng.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>