drivers/clk/samsung updates (mostly bug fixes):
- instantiation of the cpu clocks and addition of the GSCL
IP parent clocks to the list of available consumer clocks
for exynos542x SoCs;
- MFC IP parent clock fix for exynos542x;
- fix of locking bug in samsung/clk-cpu.c which caused
system crashes with cpufreq enabled;
- minor cleanup for s3c2410.
1807b34f95