[roll] Roll boards-emac-rtc-cipd packages to git_revision:21a97215f628b49208c4dbef6e35d2c8f4312a9b fuchsia/drivers/rtc/pcf8563/arm64 new:https://chrome-infra-packages.appspot.com/p/fuchsia/drivers/rtc/pcf8563/arm64/+/git_revision:21a97215f628b49208c4dbef6e35d2c8f4312a9b From: None To: git_revision:21a97215f628b49208c4dbef6e35d2c8f4312a9b Roller-URL: https://ci.chromium.org/b/8735429769733626833 CQ-Do-Not-Cancel-Tryjobs: true Change-Id: Ic911a6c3bf93980f47ccf1cebe75d1387931ad73 Reviewed-on: https://fuchsia-review.googlesource.com/c/boards/emac/+/1127089 Commit-Queue: GI Roller <global-integration-roller@fuchsia-infra.iam.gserviceaccount.com>