Change recovery key to ESC on EVT systems
Change recovery key to ESC on EVT systems

Signed-off-by: Randall Spangler <rspangler@chromium.org>

BUG=chrome-os-partner:9554
TEST=manual

1) Boot system.  No recovery.
2) Boot system holding down Refresh+Esc.  No recovery.
3) Hold down Power+Esc.  System reboots and stays shut down.
4) Hold down Power+Esc+Refresh.  System reboots into recovery mode.

Change-Id: I53db224b6d2a03406244e79fb64fb67851919857

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