[meta-freescale] [3rdparty][PATCH] wandboard: Use "IMAGE_FSTYPES ?=" for softer assignment

[Amin Bandali]

As it is, IMAGE_FSTYPES = "wic.gz" doesn't allow appending using
"+=". So, use IMAGE_FSTYPES ?= "wic.gz" for providing the default
value.

Signed-off-by: Amin Bandali <amin.bandali at gmail.com>
---
 conf/machine/wandboard.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/conf/machine/wandboard.conf b/conf/machine/wandboard.conf
index e82f1b4..14e0f21 100644
--- a/conf/machine/wandboard.conf
+++ b/conf/machine/wandboard.conf
@@ -46,4 +46,4 @@ WKS_FILES ?= "imx-uboot-spl.wks"
 
 IMAGE_DEPENDS_wic_append = " virtual/bootloader"
 
-IMAGE_FSTYPES = "wic.gz"
+IMAGE_FSTYPES ?= "wic.gz"
-- 
1.9.1