spi-summary: documentation mistake

Contributors are not listed in alphabetical order as claimed by documentation.
Signed-off-by: Oscar Utbult <oscar@oscr.io>
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/spi/spi-summary

@@ -601,13 +601,13 @@ THANKS TO
 Contributors to Linux-SPI discussions include (in alphabetical order,
 by last name):
 
+Mark Brown
 David Brownell
 Russell King
+Grant Likely
 Dmitry Pervushin
 Stephen Street
 Mark Underwood
 Andrew Victor
-Vitaly Wool
-Grant Likely
-Mark Brown
 Linus Walleij
+Vitaly Wool