Docs: wording: functions -> algorithm

The code seems to provide a single function that implements the
CORDIC algorithm.

Signed-off-by: Michael Witten <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

lib/Kconfig

···
 	  If unsure, say N.
 
 config CORDIC
-	tristate "CORDIC function"
+	tristate "CORDIC algorithm"
 	help
 	  The option provides arithmetic function using CORDIC algorithm
 	  so its calculations are in fixed point. Modules can select this

lib/cordic.c

···
 }
 EXPORT_SYMBOL(cordic_calc_iq);
 
-MODULE_DESCRIPTION("CORDIC functions");
+MODULE_DESCRIPTION("CORDIC algorithm");
 MODULE_AUTHOR("Broadcom Corporation");
 MODULE_LICENSE("Dual BSD/GPL");