lantis: Add SSFC field for 2nd source Audio codec
lantis: Add SSFC field for 2nd source Audio codec

This patch adds SSFC field to support 2nd source audio codec.

BUG=b:222976965
TEST= emerge-dedede chromeos-ec and make sure works normally on lantis.

Change-Id: Ibd596b46cf2470f07cb8cfd051e86f5c91f683f1
Signed-off-by: Robert Chen <5f4755bf04502aae77cf11cb74092ea7d82002ba@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3509335
Reviewed-by: Henry Sun <26cd8a0b26a8449e909dff5211a18ba277320ec2@google.com>
Commit-Queue: Henry Sun <26cd8a0b26a8449e909dff5211a18ba277320ec2@google.com>

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