thermal: sandbox: Staticize sandbox_thermal_get_temp()

Make sandbox_thermal_get_temp() static, since this is not called
outside of the driver. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>

diff --git a/drivers/thermal/thermal_sandbox.c b/drivers/thermal/thermal_sandbox.c
index 9af0d0247cbdb6b4efb4f6d1336646cad726615c..b7c567d76cd75e1bddd5ef60369814151eccf35e 100644 (file)
--- a/drivers/thermal/thermal_sandbox.c
+++ b/drivers/thermal/thermal_sandbox.c
@@ -9,7 +9,7 @@
 #include <dm.h>
 #include <thermal.h>
 
-int sandbox_thermal_get_temp(struct udevice *dev, int *temp)
+static int sandbox_thermal_get_temp(struct udevice *dev, int *temp)
 {
        /* Simply return 100 deg C */
        *temp = 100;