doc: replace @return by Return:

Sphinx expects Return: and not @return to indicate a return value.

find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/include/tmu.h b/include/tmu.h
index da07a22..f4389f8 100644
--- a/include/tmu.h
+++ b/include/tmu.h
@@ -31,7 +31,7 @@
  * Monitors status of the TMU device and exynos temperature
  *
  * @param temp	pointer to the current temperature value
- * @return	enum tmu_status_t value, code indicating event to execute
+ * Return:	enum tmu_status_t value, code indicating event to execute
  *		and -1 on error
  */
 enum tmu_status_t tmu_monitor(int *temp);
@@ -40,7 +40,7 @@
  * Initialize TMU device
  *
  * @param blob  FDT blob
- * @return	int value, 0 for success
+ * Return:	int value, 0 for success
  */
 int tmu_init(const void *blob);
 #endif	/* _THERMAL_H_ */