Docs: Pedantry: [Cc]ordic -> CORDIC

According to:

  http://en.wikipedia.org/wiki/CORDIC

it stands for:

  *CO*ordinate *R*otation *DI*gital *C*omputer

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/lib/Kconfig b/lib/Kconfig
index 6c695ff..0bb69f6 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -270,9 +270,9 @@
 	  If unsure, say N.
 
 config CORDIC
-	tristate "Cordic function"
+	tristate "CORDIC function"
 	help
-	  The option provides arithmetic function using cordic algorithm
+	  The option provides arithmetic function using CORDIC algorithm
 	  so its calculations are in fixed point. Modules can select this
 	  when they require this function. Module will be called cordic.