Nami: Set DP EQ level compensation up to 3.6dB for Sona
Nami: Set DP EQ level compensation up to 3.6dB for Sona

This patch sets DP EQ level compensation up to 3.6dB to avoid flicker
or no picture for Sona and Sona-G7.

Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>

BUG=b/122707483
BRANCH=nami
TEST=buildall

Change-Id: Ib7d64d1bcde9b5e0996e9be9fb68548b0d0df9c6
Reviewed-on: https://chromium-review.googlesource.com/1407149
Commit-Ready: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Tested-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Reviewed-by: Jett Rink <9d4aef0593e6843318d99df31597fb6153b89787@chromium.org>

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