clk: ti: Remove CLK_IS_ROOT

This flag is a no-op now. Remove usage of the flag.

Acked-by: Tero Kristo <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/ti/clk.c

···
 	case TI_CLK_FIXED:
 		fixed = setup->data;
 
-		clk = clk_register_fixed_rate(NULL, setup->name, NULL,
-					      CLK_IS_ROOT, fixed->frequency);
+		clk = clk_register_fixed_rate(NULL, setup->name, NULL, 0,
+					      fixed->frequency);
 		break;
 	case TI_CLK_MUX:
 		clk = ti_clk_register_mux(setup);