ARM: efm32: drop unused file <mach/timex.h>
ARM: efm32: drop unused file <mach/timex.h>

This file is unused since commit

	79f08d9ed217 (ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too)

.

Signed-off-by: Uwe Kleine-König <181323dd666a182bc2d953e52d0ac3ab54cd8391@pengutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs