removed introductions slides
removed "Get linux kernel source code"
removed kernel-source-code-exploring-lab
removed sysdev-linux-intro-cross-compilation and
kernel-board-setup-kernel-compiling-and-booting-labs
rm kernel-driver-development-lab-modules
rm 		kernel-i2c
		kernel-pinmuxing
rm kernel-driver-development-lab-io-memory
rm kernel-input lab
rm kernel-misc-subsystem lab
rm kernel-driver-development-lab-interrupts \
rm kernel-driver-development-lab-locking
rm 		kernel-driver-development-lab-debugging
rm 		kernel-porting-title \
		kernel-porting-content \
last-slides moved up
rm lab last-slides