binfmt_elf.c: use get_random_int() to fix entropy depleting (Jeff Liu )

See http://lkml.indiana.edu/hypermail/linux/kernel/1211.1/03767.html for details.
logger: Add sys fs kernel interface to configure Android logger

- now logging can be switched on and off via /sys/kernel/logger_mode/logger_mode interface
- default is 1 (on)

Conflicts:
	drivers/staging/android/Makefile
printk: Add sys kernel interface to configure linux printk logging

- now logging can be switched on and off via /sys/kernel/printk_mode interface
- default is 1 (on)
- Enabled time stamp information in logs again

Conflicts:
	kernel/Makefile