drivers/usb/gadget/Makefile: -Wno-sizeof-pointer-memaccess for android.c
net/bluetooth/hci_conn.c: fix warning: argument to 'sizeof' in 'memcpy' call is the same pointer type '__u8 *' as the destination; expected '__u8' or an explicit length [-Wsizeof-pointer-memaccess]
arch/arm/boot/compressed/Makefile: fixed error unknown CPU architecture
Makefile: adding config variable for Os/O2/O3 compilation

Conflicts:

	init/Kconfig

Conflicts:

	init/Kconfig
defconfig: add options for optimization level
defconfig: compile at -02
drivers/net/phy/phy.c : fix array out of bounds warning
net/ipv4/tcp_input.c : fix array out of bounds warning
kernel/workqueue.c : fix array out of bounds warning