Minor changes for GCC-4.7 compilation on new 3.4 kernel

Change-Id: I6abce3a7a751376d4673243c546112a494138a46
fix derp

Change-Id: Ieb54d5ea445b0cbdedbb40f687a7c45b85d6b3f0
arch/arm/boot/compressed/Makefile: fixed error unknown CPU architecture
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]
drivers/usb/gadget/Makefile: -Wno-sizeof-pointer-memaccess for android.c