build: export kernel_version to be used with its build script

Now that we're caching the kernel, we're relying on the kernel version
being exported.  This is already done for the CC kernel, but not for the
TEE specific ones.

Fixes: #5770

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -195,6 +195,7 @@ install_cc_tee_kernel() {
 	[[ "${tee}" != "tdx" && "${tee}" != "sev" ]] && die "Non supported TEE"
 
 	info "build initramfs for tee kernel"
+	export kernel_version=${kernel_version}
 	"${initramfs_builder}"
 	kernel_url="$(yq r $versions_yaml assets.kernel.${tee}.url)"
 	DESTDIR="${destdir}" PREFIX="${cc_prefix}" "${kernel_builder}" -x "${tee}" -v "${kernel_version}" -u "${kernel_url}"