stm32mp1: fix reference for STMicroelectronics

Replace reference to the correct name STMicroelectronics

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/drivers/spi/pl022_spi.c b/drivers/spi/pl022_spi.c
index ea16914..828eab3 100644
--- a/drivers/spi/pl022_spi.c
+++ b/drivers/spi/pl022_spi.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2012
- * Armando Visconti, ST Microelectronics, armando.visconti@st.com.
+ * Armando Visconti, STMicroelectronics, armando.visconti@st.com.
  *
  * (C) Copyright 2018
  * Quentin Schulz, Bootlin, quentin.schulz@bootlin.com