Make board names in flash_ec less prone to conflicts
Make board names in flash_ec less prone to conflicts

BUG=None
BRANCH=None
TEST=Run util/flash_ec on peppy, spring, link. Verify flashing
complete successfully.

Change-Id: Ib388af6800ae208934d5b026a63f0567d31ef86e
Signed-off-by: Dave Parker <a0cbe8131c36e5e74e2155ca4ce91517847db706@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/191304
Reviewed-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>

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