Append p2 for mmcblk devices, but just 2 for sd* devices when…

… expanding the last partition

scripts/sd_flash.sh

@@ -41,6 +41,12 @@ sudo dcfldd if=$1 sizeprobe=if bs=1M$of
 
 for device in $device_names
 do
+    if [[ $device == mmcblk* ]]; then
+        last_partition="${device}p2"
+    else
+        last_partition="${device}2"
+    fi
+
     sudo growpart /dev/$device 2
-    sudo resize2fs /dev/${device}p2
+    sudo resize2fs /dev/${last_partition}
 done