ARM: Consolidate clks_register() and similar

Most machine classes want some way to register a block of clk_lookup
structures, and most do it by implementing a clks_register() type
function which walks an array, or by open-coding a loop.

Consolidate all this into clkdev_add_table().

Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-w90x900/clock.c

@@ -90,12 +90,3 @@ void nuc900_subclk_enable(struct clk *clk, int enable)
 
 	__raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK);
 }
-
-
-void clks_register(struct clk_lookup *clks, size_t num)
-{
-	int i;
-
-	for (i = 0; i < num; i++)
-		clkdev_add(&clks[i]);
-}