add lrzsz package to skiroot

This enables the use of rz/sz to send/receive files using ZMODEM.

This enables error detection and correction when using the console
to transfer files to/from the host.

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/openpower/configs/habanero_defconfig b/openpower/configs/habanero_defconfig
index af437d6..884104c 100644
--- a/openpower/configs/habanero_defconfig
+++ b/openpower/configs/habanero_defconfig
@@ -32,6 +32,7 @@
 BR2_PACKAGE_DROPBEAR=y
 # BR2_PACKAGE_DROPBEAR_SERVER is not set
 BR2_PACKAGE_ETHTOOL=y
+BR2_PACKAGE_LRZSZ=y
 BR2_PACKAGE_NETCAT=y
 BR2_PACKAGE_RSYNC=y
 BR2_TARGET_ROOTFS_CPIO_XZ=y