Merge branch 'imx/clk-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes

* 'imx/clk-fixes' of git://git.pengutronix.de/git/imx/linux-2.6:
  ARM i.MX53: Fix PLL4 base address
  ARM i.MX pllv2: make round_rate accurate
  ARM i.MX pllv2: use standard register set unconditionally