ARM: OMAP: twl4030: make power_companion_init static

This is not used outside twl4030, make it static.
Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/i2c/chips/twl4030_core.c

@@ -669,7 +669,7 @@ static int unprotect_pm_master(void)
 	return e;
 }
 
-int power_companion_init(void)
+static int power_companion_init(void)
 {
 	struct clk *osc;
 	u32 rate, ctrl = HFCLK_FREQ_26_MHZ;