sam-ba: bump version to 2.12

Signed-off-by: Simon Dawson <spdawson@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/sam-ba/sam-ba.mk

@@ -1,5 +1,5 @@
 SAM_BA_SITE    = http://www.atmel.com/dyn/resources/prod_documents/
-SAM_BA_VERSION = 2.11
+SAM_BA_VERSION = 2.12
 SAM_BA_SOURCE  = sam-ba_$(SAM_BA_VERSION).zip
 
 define HOST_SAM_BA_EXTRACT_CMDS