usb: keep multiple luns for USB_ANDROID_SAMSUNG_COMPOSITE

not sure it will be used, but let original config for stock rom

Change-Id: I5816d374251b1fdfbf264104aaba3d94b1d0e907
atags: properly parse tegra bootloader tags

This remove warnings on start of dmesg and output
informations from bootloader in human format.

Change-Id: Ia58537ea570da068fc73d8050a3d11a037a0ec15
Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>