daisy/snow: enable SUSPEND_L interrupt
daisy/snow: enable SUSPEND_L interrupt

This enables interrupts on SUSPEND_L.

Signed-off-by: David Hendricks <3b0deacc4b5357f519084f1ea34bd42bf5d34545@chromium.org>
BUG=none
TEST=Power LED on Snow throbs when powerd_suspend is used

Change-Id: I5f06e717ddc07d5c2f129ff59a108131da8dbf87
Reviewed-on: https://gerrit.chromium.org/gerrit/27968
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>
Commit-Ready: David Hendricks <3b0deacc4b5357f519084f1ea34bd42bf5d34545@chromium.org>
Tested-by: David Hendricks <3b0deacc4b5357f519084f1ea34bd42bf5d34545@chromium.org>

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