davinci: clkdev cleanup: remove clk_lookup wrapper, use clkdev_add_table()

Remove unneeded 'struct davinci_clk' wrapper around 'struct clk_lookup'
and use clkdev_add_table() to add the list of clocks in one go.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/dm646x.c

@@ -311,7 +311,7 @@ static struct clk vpif1_clk = {
 	.flags = ALWAYS_ENABLED,
 };
 
-struct davinci_clk dm646x_clks[] = {
+struct clk_lookup dm646x_clks[] = {
 	CLK(NULL, "ref", &ref_clk),
 	CLK(NULL, "aux", &aux_clkin),
 	CLK(NULL, "pll1", &pll1_clk),