[FE training-materials-updates] Update BBB flashing instructions

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=9c889ebc3825d6952072e6ff52e1d6aca48b7df6

>---------------------------------------------------------------

commit 9c889ebc3825d6952072e6ff52e1d6aca48b7df6
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Sat Nov 12 18:51:35 2016 +0100

    Update BBB flashing instructions
    
    - According to what sfdisk in Ubuntu 16.04 supports
      (and what is accepted by the board romcode for booting)
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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9c889ebc3825d6952072e6ff52e1d6aca48b7df6
 lab-data/common/bootloader/beaglebone-black/README.txt | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lab-data/common/bootloader/beaglebone-black/README.txt b/lab-data/common/bootloader/beaglebone-black/README.txt
index 5821568..6da7e4b 100644
--- a/lab-data/common/bootloader/beaglebone-black/README.txt
+++ b/lab-data/common/bootloader/beaglebone-black/README.txt
@@ -37,9 +37,8 @@ depending on how the system sees the media card device.
 Now type the below command to partition the micro-SD card
 (we assume that the card is seen as '/dev/mmcblk0'):
 
-sudo sfdisk --in-order --Linux --unit M /dev/mmcblk0 << EOF
-1,48,0xE,*
-,,,-
+sudo sfdisk /dev/mmcblk0 << EOF
+1,,0xE,*
 EOF
 
 Remove the SD card and insert it again (to make sure new
@@ -47,7 +46,7 @@ partitions are detected properly)
 
 Now, format the first partition in FAT format:
 
-sudo mkfs.vfat -F 16 /dev/mmcblk0p1 -n boot
+sudo mkfs.vfat -F 32 /dev/mmcblk0p1 -n boot
 
 Remove the card and insert it again. It should automatically be mounted
 on '/media/$USER/boot'.