[coreboot-gerrit] Change in coreboot[master]: arch/arm64: Use variables of the right size for msr/mrs opcodes

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Change subject: arch/arm64: Use variables of the right size for msr/mrs opcodes
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/9331/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/53538/ : SUCCESS