x86: crownbay: Enable the beeper sound driver

Use the i8254 sound driver to support creating simple beeps.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/crownbay_defconfig b/configs/crownbay_defconfig
index 34c2eb3..e0c9824 100644
--- a/configs/crownbay_defconfig
+++ b/configs/crownbay_defconfig
@@ -28,6 +28,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
+CONFIG_CMD_SOUND=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
@@ -41,6 +42,8 @@
 CONFIG_SYSCON=y
 CONFIG_CPU=y
 CONFIG_E1000=y
+CONFIG_SOUND=y
+CONFIG_SOUND_I8254=y
 CONFIG_SPI=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y