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/arch/arm/mach-exynos/include/mach/clk.h b/arch/arm/mach-exynos/include/mach/clk.h
index 298535d..cf8db21 100644
--- a/arch/arm/mach-exynos/include/mach/clk.h
+++ b/arch/arm/mach-exynos/include/mach/clk.h
@@ -55,7 +55,7 @@
  *
  * @param peripheral	Peripheral id
  *
- * @return frequency of the peripheral clk
+ * Return: frequency of the peripheral clk
  */
 unsigned long clock_get_periph_rate(int peripheral);
 
diff --git a/arch/arm/mach-exynos/include/mach/pinmux.h b/arch/arm/mach-exynos/include/mach/pinmux.h
index bd1ad5f..5ef04e7 100644
--- a/arch/arm/mach-exynos/include/mach/pinmux.h
+++ b/arch/arm/mach-exynos/include/mach/pinmux.h
@@ -37,7 +37,7 @@
  *
  * @param peripheral	peripheral to be configured
  * @param flags		configure flags
- * @return 0 if ok, -1 on error (e.g. unsupported peripheral)
+ * Return: 0 if ok, -1 on error (e.g. unsupported peripheral)
  */
 int exynos_pinmux_config(int peripheral, int flags);
 
@@ -46,7 +46,7 @@
  *
  * @param blob  Device tree blob
  * @param node  FDT I2C node to find
- * @return peripheral id if ok, PERIPH_ID_NONE on error
+ * Return: peripheral id if ok, PERIPH_ID_NONE on error
  */
 int pinmux_decode_periph_id(const void *blob, int node);
 #endif
diff --git a/arch/arm/mach-exynos/include/mach/spl.h b/arch/arm/mach-exynos/include/mach/spl.h
index 9d64246..816c852 100644
--- a/arch/arm/mach-exynos/include/mach/spl.h
+++ b/arch/arm/mach-exynos/include/mach/spl.h
@@ -62,7 +62,7 @@
  * Validate signature and return a pointer to the parameter table.  If the
  * signature is invalid, call panic() and never return.
  *
- * @return pointer to the parameter table if signature matched or never return.
+ * Return: pointer to the parameter table if signature matched or never return.
  */
 struct spl_machine_param *spl_get_machine_params(void);