spi: fix some invalid char occurrences

One of the author names got an invalid char, probably due to
a bad charset conversion, being replaced by the
REPLACEMENT CHARACTER U+fffd ('�').

Use the author's e-mail has the characters without accents,
as also used at the .mailmap file.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/ff8d296e1fdcc4f1c6df94434a5720bcedcd0ecf.1621412009.git.mchehab+huawei@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-omap-100k.c

@@ -6,7 +6,7 @@
  *
  * Copyright (C) 2005, 2006 Nokia Corporation
  * Author:      Samuel Ortiz <samuel.ortiz@nokia.com> and
- *              Juha Yrj�l� <juha.yrjola@nokia.com>
+ *              Juha Yrjola <juha.yrjola@nokia.com>
  */
 #include <linux/kernel.h>
 #include <linux/init.h>

drivers/spi/spi-omap2-mcspi.c

@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2005, 2006 Nokia Corporation
  * Author:	Samuel Ortiz <samuel.ortiz@nokia.com> and
- *		Juha Yrj�l� <juha.yrjola@nokia.com>
+ *		Juha Yrjola <juha.yrjola@nokia.com>
  */
 
 #include <linux/kernel.h>