tpm: st33zp24: fix STMicroelectronics copyright

Uniformize STMicroelectronics copyrights header

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/tpm/tpm_tis_st33zp24_spi.c b/drivers/tpm/tpm_tis_st33zp24_spi.c
index 417bbf1..dcf55ee 100644
--- a/drivers/tpm/tpm_tis_st33zp24_spi.c
+++ b/drivers/tpm/tpm_tis_st33zp24_spi.c
@@ -1,7 +1,8 @@
 /*
  * STMicroelectronics TPM ST33ZP24 SPI UBOOT driver
  *
- * Copyright (C) 2016 STMicroelectronics
+ * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
+ * Author(s): Christophe Ricard <christophe-h.ricard@st.com> for STMicroelectronics.
  *
  * Description: Device driver for ST33ZP24 SPI TPM TCG.
  *