This also removes mach/clock.h along the way
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Reviewed-by: NMike Turquette <mturquette@linaro.org>

The only code using mxc_decode_pll is clk-pllv1.c, so move the code
there.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Reviewed-by: NMike Turquette <mturquette@linaro.org>

The pllv1 is found on i.MX1, i.M25, i.MX27, i.MX31 and i.MX35.
Currently only reading the rate is supported.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>