rockchip: chromebook_minnie: Enable sound

Enable sound for this board, which has the same codec as jerry.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/chromebook_minnie_defconfig b/configs/chromebook_minnie_defconfig
index 216f5dc..17c1ea6 100644
--- a/configs/chromebook_minnie_defconfig
+++ b/configs/chromebook_minnie_defconfig
@@ -32,6 +32,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
+CONFIG_CMD_SOUND=y
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
@@ -74,6 +75,10 @@
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
 CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SOUND=y
+CONFIG_I2S=y
+CONFIG_I2S_ROCKCHIP=y
+CONFIG_SOUND_MAX98090=y
 CONFIG_ROCKCHIP_SPI=y
 CONFIG_SYSRESET=y
 CONFIG_USB=y