exynos5: move power_enable_hw_thermal_trip() prototype

This moves the prototype for power_enable_hw_thermal_trip() to
a generic location so it can be used by generalized thermal
management code. The implementation will still be CPU-specific.

Change-Id: Iae449cb8c72c8441dedaf65b73db9898b4730cef
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3105
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)

src/cpu/samsung/exynos5-common/power.h

@@ -39,4 +39,7 @@
 #define S5PC110_USB_PHY_CON		0xE010E80C
 #define S5PC110_INFORM0			0xE010F000
 
+/* Enable HW thermal trip with PS_HOLD_CONTROL register ENABLE_HW_TRIP bit */
+void power_enable_hw_thermal_trip(void);
+
 #endif

src/cpu/samsung/exynos5250/power.c

@@ -27,6 +27,7 @@
 #include <arch/io.h>
 #include <arch/hlt.h>
 #include <console/console.h>
+#include <cpu/samsung/exynos5-common/power.h>
 #include <cpu/samsung/exynos5250/cpu.h>
 #include <cpu/samsung/exynos5250/power.h>
 #include <cpu/samsung/exynos5250/sysreg.h>

src/cpu/samsung/exynos5250/power.h

@@ -71,9 +71,6 @@ void power_enable_dp_phy(void);
 void power_enable_usb_phy(void);
 void power_disable_usb_phy(void);
 
-/* Enable HW thermal trip with PS_HOLD_CONTROL register ENABLE_HW_TRIP bit */
-void power_enable_hw_thermal_trip(void);
-
 /* Initialize the pmic voltages to power up the system */
 int power_init(void);