ARM: imx: factor device tree timer initialization

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --cc arch/arm/mach-imx/clk-imx25.c
Simple merge

diff --cc arch/arm/mach-imx/clk-imx51-imx53.c
Simple merge

diff --cc arch/arm/mach-imx/clk-imx6q.c
Simple merge

diff --cc arch/arm/mach-imx/clk-imx6sl.c
Simple merge

diff --cc arch/arm/mach-imx/common.h
Simple merge

diff --cc arch/arm/mach-imx/time.c
Simple merge