omap3evm.conf: Use '+=' not '?=' in IMAGE_FSTYPES

As per
http://lists.linuxtogo.org/pipermail/openembedded-core/2012-March/020053.html
a machine conf file should use '+=' to set IMAGE_FSTYPES.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>

diff --git a/conf/machine/omap3evm.conf b/conf/machine/omap3evm.conf
index 9cd04ed7bc729c8f91c1eecbfb2d739b9d7a4fe6..16caf05a7e234ded921d70cb3b1231518c6d4602 100644 (file)
--- a/conf/machine/omap3evm.conf
+++ b/conf/machine/omap3evm.conf
@@ -17,7 +17,7 @@ require conf/machine/include/omap3.inc
 
 # Ship all kernel modules
 
-IMAGE_FSTYPES ?= "jffs2 tar.bz2"
+IMAGE_FSTYPES += "jffs2 tar.bz2"
 EXTRA_IMAGECMD_jffs2 = "-lnp -e 0x20000 -s 2048"
 
 SERIAL_CONSOLE = "115200 ttyS0"