LAVA coral: CONFIG_CLI and prompt

Enable CONFIG_CLI and set the interactive prompt to "coral:" for test
automation in LAVA.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>

board/coral/defconfig

@@ -20,6 +20,10 @@ CONFIG_NV_STORAGE_CMOS=y
 # Kernel format
 CONFIG_KERNEL_ZIMAGE=y
 
+# Collabora LAVA lab
+CONFIG_CLI=y
+CONFIG_SYS_PROMPT="coral: "
+
 # Drivers
 CONFIG_DRIVER_BUS_I2C_CROS_EC_TUNNEL=y
 CONFIG_DRIVER_BUS_I2C_DESIGNWARE=y