linux-yocto/4.1: clkdev updates
Backporting the following clkdev updates to the 4.1 kernel:
c1b6f28fb457 clkdev: get rid of redundant clk_add_alias() prototype in linux/clk.h
f9a70df2d491 clk: update clk API documentation to clarify clk_round_rate()
db2d98fa3908 clkdev: fix clk_add_alias() with a NULL alias device name
1b2c3a175637 clkdev: add clkdev_create() helper
9b3d61ea0c57 clkdev: const-ify connection id to clk_add_alias()
76b7b02f10dc clkdev: drop __init from clkdev_add_table()
22f16b822d18 clkdev: use clk_hw internally
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
