cros: adds cros_ec keyboard driver

This patch adds the driver for keyboard that's controlled by ChromeOS EC.

Signed-off-by: Randall Spangler <rspangler@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Hung-ying Tyan <tyanh@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
index 0805e86..4331190 100644
--- a/drivers/input/Makefile
+++ b/drivers/input/Makefile
@@ -27,6 +27,7 @@
 
 COBJS-$(CONFIG_I8042_KBD) += i8042.o
 COBJS-$(CONFIG_TEGRA_KEYBOARD) += tegra-kbc.o
+COBJS-$(CONFIG_CROS_EC_KEYB) += cros_ec_keyb.o
 ifdef CONFIG_PS2KBD
 COBJS-y += keyboard.o pc_keyb.o
 COBJS-$(CONFIG_PS2MULT) += ps2mult.o ps2ser.o