Keyborg: fix a bug in task_wait_event()
Keyborg: fix a bug in task_wait_event()

The match interrupt is disabled before we actually intend to. Fix it.

BUG=None
TEST=Build and boot
BRANCH=None

Change-Id: I8fb171e849809d1e4f35f00bbf6d15c9a8caad74
Signed-off-by: Vic Yang <5fd92abeee651458f98e2856f4f200ee971cee4d@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/200680
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>

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