imx: imx8mq: select CONFIG_CMD_CLK

select CONFIG_CMD_CLK to enable dump clk in uboot shell

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
index 780f931..9f54a28 100644
--- a/configs/imx8mq_evk_defconfig
+++ b/configs/imx8mq_evk_defconfig
@@ -40,6 +40,7 @@
 # CONFIG_CMD_EXPORTENV is not set
 # CONFIG_CMD_IMPORTENV is not set
 # CONFIG_CMD_CRC32 is not set
+CONFIG_CMD_CLK=y
 CONFIG_CMD_FUSE=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y