edid: Remove useless parameter from detailed_cvt_descriptor()

The detailed_cvt_descriptor() function takes a parameter "out" for no
good reason.  Remove it.

BRANCH=none
BUG=chrome-os-partner:46998
TEST=Build and boot

Change-Id: I1042dba9ddf2b4b543bd07615013088be5055950
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5c3474c9b1f9fb73f44d64d3a0592f92339da2df
Original-Change-Id: I4d695a6dba6606d2132578ce0ab4cb612c83d0f4
Original-Signed-off-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/309598
Original-(cherry picked from commit 39122e242e808d71a4e274e8a23e9a63f4984388)
Original-Reviewed-on: https://chromium-review.googlesource.com/309496
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/12441
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/lib/edid.c b/src/lib/edid.c
index 0f5643d..e94720e 100644
--- a/src/lib/edid.c
+++ b/src/lib/edid.c
@@ -110,7 +110,7 @@
 }
 
 static int
-detailed_cvt_descriptor(struct edid *out, unsigned char *x, int first)
+detailed_cvt_descriptor(unsigned char *x, int first)
 {
 	const unsigned char empty[3] = { 0, 0, 0 };
 	const char *names[] = { "50", "60", "75", "85" };
@@ -253,7 +253,7 @@
 				return 0;
 			}
 			for (i = 0; i < 4; i++)
-				valid_cvt &= detailed_cvt_descriptor(out, x + 6 + (i * 3), (i == 0));
+				valid_cvt &= detailed_cvt_descriptor(x + 6 + (i * 3), (i == 0));
 			c->has_valid_cvt &= valid_cvt;
 			return 1;
 		}