Don't build rollback index test as part of 'all', since it depends on the real tlcl.
Don't build rollback index test as part of 'all', since it depends on the real tlcl.

It'll still be built as part of 'make install'.

Review URL: http://codereview.chromium.org/2947002

ionave/seismograph,acorn-marvell/vboot_reference,ccaapton/vboot_reference,ccaapton/vboot_reference,marineam/seismograph,coreboot/vboot,acorn-marvell/vboot_reference,marineam/seismograph,geekboxzone/mmallow_external_vboot_reference,marineam/seismograph,acorn-marvell/vboot_reference,coreboot/vboot,ccaapton/vboot_reference,ionave/seismograph,geekboxzone/mmallow_external_vboot_reference,ccaapton/vboot_reference,coreboot/vboot,coreboot/vboot,coreboot/vboot,ionave/seismograph,geekboxzone/mmallow_external_vboot_reference,acorn-marvell/vboot_reference,geekboxzone/mmallow_external_vboot_reference,geekboxzone/mmallow_external_vboot_reference,marineam/seismograph