util/docker: Update atime mount point options for jenkins

- The ccache files don't need atime.
- Enable strict atime for the git repos.  This will help find unused
files.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I94bcc55ea5c5a74f3ad0292ca50b74874a0d920d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46804
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

util/docker/coreboot-jenkins-node/Dockerfile

@@ -38,10 +38,10 @@ RUN mkdir /var/run/sshd && \
 # Create tmpfs directories to build in
 RUN mkdir /cb-build && \
 	chown coreboot:coreboot /cb-build && \
-	echo "tmpfs /cb-build tmpfs rw,mode=1777 0 0" > /etc/fstab && \
+	echo "tmpfs /cb-build tmpfs rw,mode=1777,noatime 0 0" > /etc/fstab && \
 	mkdir -p /home/coreboot/node-root/workspace && \
 	chown -R coreboot:coreboot /home/coreboot/node-root && \
-	echo "tmpfs /home/coreboot/node-root/workspace tmpfs rw,mode=1777 0 0" >> /etc/fstab && \
+	echo "tmpfs /home/coreboot/node-root/workspace tmpfs rw,mode=1777,strictatime,atime 0 0" >> /etc/fstab && \
 	chown coreboot:coreboot /home/coreboot/.ccache && \
 	echo "tmpfs /home/coreboot/.ccache tmpfs rw,mode=1777 0 0" >> /etc/fstab