Change in coreboot[master]: amd/gardenia: Add PSP DRAM notify to romstage

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Change subject: amd/gardenia: Add PSP DRAM notify to romstage
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Patch Set 4: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/10318/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/54604/ : SUCCESS