Sweetberry: Update the powerlog command to use sudo.
Sweetberry: Update the powerlog command to use sudo.

Without sudo powerlog failed with
"Access denied (insufficient permissions)".

BRANCH=None
BUG=None
TEST=None

Signed-off-by: Michael Pishchagin <1a9cef8ae0368c7ace90f5d7238794bcfb9337a5@chromium.org>
Change-Id: I1aeaf20f13179f49814a6b74074dcf9dd1103c45
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3400760
Tested-by: Michael Pishchagin <1a9cef8ae0368c7ace90f5d7238794bcfb9337a5@google.com>
Auto-Submit: Michael Pishchagin <1a9cef8ae0368c7ace90f5d7238794bcfb9337a5@google.com>
Reviewed-by: Ruben Rodriguez Buchillon <12b0357cd989b603267f0b7cb81c747471f94bd1@chromium.org>
Commit-Queue: Ruben Rodriguez Buchillon <12b0357cd989b603267f0b7cb81c747471f94bd1@chromium.org>
Tested-by: Ruben Rodriguez Buchillon <12b0357cd989b603267f0b7cb81c747471f94bd1@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec