stm32: fix STMicroelectronics copyright

Uniformize STMicroelectronics copyrights headers for STM32
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c
index a6c2a75..32d3971 100644
--- a/drivers/misc/stm32_rcc.c
+++ b/drivers/misc/stm32_rcc.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) STMicroelectronics SA 2017
- * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
+ * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
+ * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */