clk: remove unnecessary !core->parents conditional

This if-block has been here since the introduction of the common
clock framework.  Now no clock drivers are statically initialized.
core->parent is always NULL at this point.  Drop the redundant
check and the confusing comment.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk.c

@@ -2366,11 +2366,8 @@ static int __clk_core_init(struct clk_core *core)
 	 * in to clk_init during early boot; thus any access to core->parents[]
 	 * must always check for a NULL pointer and try to populate it if
 	 * necessary.
-	 *
-	 * If core->parents is not NULL we skip this entire block.  This allows
-	 * for clock drivers to statically initialize core->parents.
 	 */
-	if (core->num_parents > 1 && !core->parents) {
+	if (core->num_parents > 1) {
 		core->parents = kcalloc(core->num_parents, sizeof(struct clk *),
 					GFP_KERNEL);
 		/*