CI: Rename travis script directory

This is a preparation for adding GitHub Actions support.

Also run from root directory. It's a bit confusing to run from
travis directory.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

.travis.yml

@@ -93,4 +93,4 @@ before_install:
 script:
     - INSTALL="${DISTRO%%:*}"
     - INSTALL="${INSTALL%%/*}"
-    - $CONTAINER run $CONTAINER_ARGS -t ima-evm-utils /bin/sh -c "cd travis && if [ \"$VARIANT\" ]; then ARCH=\"$ARCH\" ./$INSTALL.$VARIANT.sh; fi && ARCH=\"$ARCH\" CC=\"$CC\" TSS=\"$TSS\" ./$INSTALL.sh && if [ ! \"$VARIANT\" ]; then which tpm_server || which swtpm || ../tests/install-swtpm.sh; fi && CC=\"$CC\" VARIANT=\"$VARIANT\" ../build.sh"
+    - $CONTAINER run $CONTAINER_ARGS -t ima-evm-utils /bin/sh -c "if [ \"$VARIANT\" ]; then ARCH=\"$ARCH\" ./ci/$INSTALL.$VARIANT.sh; fi && ARCH=\"$ARCH\" CC=\"$CC\" TSS=\"$TSS\" ./ci/$INSTALL.sh && if [ ! \"$VARIANT\" ]; then which tpm_server || which swtpm || ./tests/install-swtpm.sh; fi && CC=\"$CC\" VARIANT=\"$VARIANT\" ./build.sh"