clk: mmp: Silence sparse warnings

drivers/clk/mmp/clk-apbc.c:118:16: warning: symbol 'clk_apbc_ops' was not declared. Should it be static?
drivers/clk/mmp/clk-apmu.c:64:16: warning: symbol 'clk_apmu_ops' was not declared. Should it be static?

Cc: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/mmp/clk-apbc.c

@@ -115,7 +115,7 @@ static void clk_apbc_unprepare(struct clk_hw *hw)
 		spin_unlock_irqrestore(apbc->lock, flags);
 }
 
-struct clk_ops clk_apbc_ops = {
+static struct clk_ops clk_apbc_ops = {
 	.prepare = clk_apbc_prepare,
 	.unprepare = clk_apbc_unprepare,
 };

drivers/clk/mmp/clk-apmu.c

@@ -61,7 +61,7 @@ static void clk_apmu_disable(struct clk_hw *hw)
 		spin_unlock_irqrestore(apmu->lock, flags);
 }
 
-struct clk_ops clk_apmu_ops = {
+static struct clk_ops clk_apmu_ops = {
 	.enable = clk_apmu_enable,
 	.disable = clk_apmu_disable,
 };