avr32: use the new byteorder headers [haavard.skinnemoen@atmel.com: fix <mach/io.h> build breakage] ...off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
avr32:nmi_enter() without nmi_exit() [haavard.skinnemoen@atmel.com: fixed another case that returned... ...off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>