clk: qcom: lcc-msm8960: change pxo_parent_data to static

The pxo_parent_data inroduced in commit bac4675a4d1b ("clk: qcom:
drop lcc-mdm9615 in favour of lcc-msm8960") is only used in lcc-msm8960.c
now, change it to static.

Signed-off-by: Yang Yingliang <[e-mail]>
Reviewed-by: Konrad Dybcio <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bjorn Andersson <[e-mail]>

drivers/clk/qcom/lcc-msm8960.c

···
 #include "clk-regmap-divider.h"
 #include "clk-regmap-mux.h"
 
-struct clk_parent_data pxo_parent_data = {
+static struct clk_parent_data pxo_parent_data = {
 	.fw_name = "pxo", .name = "pxo_board",
 };