stoneyridge: Enable legacy IO

Hardware / Coreboot - Raul E Rangel [chromium.org] - 2 July 2018 07:35 EDT

Legacy IO enables access to RTC IO 0x70-0x73. This is needed for CMOS to function correctly.

BUG=b:110817463 TEST=ran firmware_CorruptFwSigB on grunt

Change-Id: I533226ba764f567e348577d7fcf6ebe43336609a

9abc3fe970 stoneyridge: Enable legacy IO
src/soc/amd/stoneyridge/include/soc/southbridge.h | 1 +
src/soc/amd/stoneyridge/southbridge.c | 8 ++++++++
2 files changed, 9 insertions(+)

Upstream: review.coreboot.org


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