Add support for igloo board to ec_uartd
Add support for igloo board to ec_uartd

The igloo board has a different product ID than bds board. Add the new
product ID to ec_uartd.

BUG=chrome-os-partner:24713
TEST=Run ec_uartd with igloo board
BRANCH=None

Change-Id: Idcbb08072661e12ed744a60fb04a55d4f58cf89b
Signed-off-by: Vic (Chun-Ju) Yang <5fd92abeee651458f98e2856f4f200ee971cee4d@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/181082
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>

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