Docs: wording: functions -> algorithm

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

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/lib/cordic.c b/lib/cordic.c
index 09b3403..6cf4778 100644
--- a/lib/cordic.c
+++ b/lib/cordic.c
@@ -96,6 +96,6 @@
 }
 EXPORT_SYMBOL(cordic_calc_iq);
 
-MODULE_DESCRIPTION("CORDIC functions");
+MODULE_DESCRIPTION("CORDIC algorithm");
 MODULE_AUTHOR("Broadcom Corporation");
 MODULE_LICENSE("Dual BSD/GPL");