msm: clock-local: Make freq_tbl pointer non-const

There is a need to change freq_tbl at runtime for targets using a
similar clock driver, therefore make the freq_tbl not const to
support such requirement.

Signed-off-by: Tianyi Gou <tgou@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-local.h b/arch/arm/mach-msm/clock-local.h
index 99cabdf..9af2ee9 100644
--- a/arch/arm/mach-msm/clock-local.h
+++ b/arch/arm/mach-msm/clock-local.h
@@ -130,7 +130,7 @@
 	void		*bank_info;
 	void   (*set_rate)(struct rcg_clk *, struct clk_freq_tbl *);
 
-	struct clk_freq_tbl *const freq_tbl;
+	struct clk_freq_tbl *freq_tbl;
 	struct clk_freq_tbl *current_freq;
 
 	struct branch	b;