atmel-qt*-demo-image: remove unneeded functions

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
at91bootstrap: add 2 patches to fix compilation and add symlink

Fixes the compilation issue with standart header files that are not present
(and not used).
"debug.c:30:19: fatal error: stdio.h: No such file or directory"
This is correspond to the following commit ID in at91bootstrap mainline:
b1e85d514d24edf45bbb8a6b647238d00194f369 (Remove standard includes).

Also integrate the commit: 35f4ab2ed71cd3fc13ccf14525e7de2c27348c61 (Creating
symlink to binary).

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>