clk: add ar9344 clock driver

Status from this message: Applied, thanks

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b4 am [email protected]

Versions newest first

#	Subject and files	Size	Replies	Applied
1/2	clk: add ar9344 clock driver`drivers/clk/Makefile` `drivers/clk/clk-ar9344.c`	+150 -1	1 reply
2/2	MIPS: dts: ar9344: add pll node`arch/mips/dts/ar9344.dtsi`	+11 -0	0 replies

No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.