Fill in I2C test parameters
Fill in I2C test parameters

This fills in test parameters for link, pit, snow, and daisy. Also fixes
compilation error due to CONFIG_ADC not defined.

BUG=chrome-os-partner:18598
TEST=Build test-stress. (Link failed due to unrelated issue.)
BRANCH=None

Change-Id: I8a5cfcf4acdae607c23dbe5cf3378945f91c7807
Signed-off-by: Vic Yang <5fd92abeee651458f98e2856f4f200ee971cee4d@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/49449

md5555/ec,gelraen/cros-ec,longsleep/ec,coreboot/chrome-ec,eatbyte/chromium-ec,fourier49/BIZ_EC,alterapraxisptyltd/chromium-ec,coreboot/chrome-ec,longsleep/ec,thehobn/ec,gelraen/cros-ec,eatbyte/chromium-ec,mtk09422/chromiumos-platform-ec,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,alterapraxisptyltd/chromium-ec,fourier49/BZ_DEV_EC,mtk09422/chromiumos-platform-ec,fourier49/BIZ_EC,md5555/ec,thehobn/ec,coreboot/chrome-ec,gelraen/cros-ec,fourier49/BZ_DEV_EC,fourier49/BZ_DEV_EC,fourier49/BZ_DEV_EC,akappy7/ChromeOS_EC_LED_Diagnostics,eatbyte/chromium-ec,thehobn/ec,fourier49/BIZ_EC,coreboot/chrome-ec,longsleep/ec,thehobn/ec,eatbyte/chromium-ec,akappy7/ChromeOS_EC_LED_Diagnostics,md5555/ec,akappy7/ChromeOS_EC_LED_Diagnostics,md5555/ec,gelraen/cros-ec,mtk09422/chromiumos-platform-ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,alterapraxisptyltd/chromium-ec,mtk09422/chromiumos-platform-ec,fourier49/BIZ_EC,coreboot/chrome-ec,alterapraxisptyltd/chromium-ec