mb/google/skyrim/var/markarth: Override SPI flash bus speed

Add configuration to bump up the SPI flash bus speed from 66 MHz to 100
MHz for starting next phase.

BUG=b:267539952
TEST=None

Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Change-Id: Id46201351780bb5bc05422ff36dad6972285690e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72870
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Chao Gui <chaogui@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>

0 files changed, 0 insertions, 0 deletions