gfsc100: Enable CONFIG_SQUASHFS_XZ

Bug: 27778756
Change-Id: Ic72cdea11d1efc02bf6b97cf5b8f97eb72e7f2eb
diff --git a/arch/arm/configs/gfsc100_defconfig b/arch/arm/configs/gfsc100_defconfig
index 5878ec9..1461338 100644
--- a/arch/arm/configs/gfsc100_defconfig
+++ b/arch/arm/configs/gfsc100_defconfig
@@ -260,6 +260,7 @@
 CONFIG_UBIFS_FS=y
 CONFIG_UBIFS_FS_DEBUG=y
 CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XZ=y
 CONFIG_SQUASHFS_EMBEDDED=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y