Update cbootimage submodule to upstream master

Updating from commit id 65a6d94:
2019-07-17 17:47:14 -0600 - (Free image buffer on read error)

to commit id 80c499e:
2019-09-19 12:41:46 -0600 - (Correct spelling mistakes)

This brings in 1 new commits:
80c499e Correct spelling mistakes

Change-Id: I0557e7116052e98266ee1d078a078d698232bb2c
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75798
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 0 deletions

diff --git a/util/nvidia/cbootimage b/util/nvidia/cbootimage
-Subproject 65a6d94dd5f442578551e0a81ecbe5235e673fd
+Subproject 80c499ebbe8a64aa2ee4222e6a8f342f465f668