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>
diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c
index 91901b5..e82b489 100644
--- a/arch/arm/mach-mx2/clock_imx21.c
+++ b/arch/arm/mach-mx2/clock_imx21.c
@@ -968,7 +968,6 @@
  */
 int __init mx21_clocks_init(unsigned long lref, unsigned long href)
 {
-	int i;
 	u32 cscr;
 
 	external_low_reference = lref;
@@ -986,8 +985,7 @@
 	else
 		spll_clk.parent = &fpm_clk;
 
-	for (i = 0; i < ARRAY_SIZE(lookups); i++)
-		clkdev_add(&lookups[i]);
+	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
 	/* Turn off all clock gates */
 	__raw_writel(0, CCM_PCCR0);