sam-ba: bump to version 2.16 and add hash file

Update also the file name since the pattern has changed, and add a hash
file.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
[Thomas: add hash file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/sam-ba/sam-ba.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	  302734f53e471b5d1a292c9af937262f4fd766ec47ebfea62439761e7c1cd9d7	sam-ba_2.16_linux.zip

package/sam-ba/sam-ba.mk

@@ -5,8 +5,8 @@
 ################################################################################
 
 SAM_BA_SITE = http://www.atmel.com/dyn/resources/prod_documents
-SAM_BA_VERSION = 2.15
-SAM_BA_SOURCE = sam-ba_$(SAM_BA_VERSION).zip
+SAM_BA_VERSION = 2.16
+SAM_BA_SOURCE = sam-ba_$(SAM_BA_VERSION)_linux.zip
 SAM_BA_LICENSE = BSD-like (partly binary-only)
 SAM_BA_LICENSE_FILES = doc/readme.txt