smegw01: Select the CMD_UNZIP option

Select the CMD_UNZIP option so that the 'gzwrite' command
can be used to flash .gz image into the eMMC.

Signed-off-by: Fabio Estevam <festevam@denx.de>
diff --git a/configs/smegw01_defconfig b/configs/smegw01_defconfig
index 9bfaa01..75fd5bc 100644
--- a/configs/smegw01_defconfig
+++ b/configs/smegw01_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_XIMG is not set
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_UNZIP=y
 CONFIG_CMD_DFU=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y