imx: ventana: add part command

Add part command for obtaining info about disk partitions.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/configs/gwventana_emmc_defconfig b/configs/gwventana_emmc_defconfig
index 000bdb5..431368e 100644
--- a/configs/gwventana_emmc_defconfig
+++ b/configs/gwventana_emmc_defconfig
@@ -54,6 +54,7 @@
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_USB_MASS_STORAGE=y