[*] Rootfs: Move logo.bin for stb850 led into right place.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>
[*] Kernel: Switch on CONFIG_FB_DEFERRED_IO needed for led driver ssd1307.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>
[-] ssd1307: Remove debug precompile messages.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>
[*] Rootfs: Move initializing led ssd1307 in separate script that runs foreground.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>
[*] ssd1307: Add to install targt build dependence.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>