Add keyboard controller reset command.
Add keyboard controller reset command.

To handle outp(0x64, 0xfe) instruction from host.

BUG=chrome-os-partner:8464,chrome-os-partner:8397
TEST= build on bds and l*. tested on proto 0.5.

Change-Id: I8cb3a870b2a5c7a711dc911ba44e154813e9f123

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