use TARGET_RECOVERY_FSTAB location if defined
use TARGET_RECOVERY_FSTAB location if defined

If TARGET_RECOVERY_FSTAB is defined use this location to find
recovery.fstab

Change-Id: Ic4cd26f5be064586359f39ff82d7f9b09ce57f53

kylinmoddev/android_bootable_recovery,76Demented/bootable_recovery-,DerTeufel/dualboot_recovery,InsomniaAOSP/platform_bootable_recovery,randomblame/bootable_recovery,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,DerTeufel/dualboot_recovery,Plain-Andy/android_platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,kylinmoddev/android_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,DerTeufel/dualboot_recovery,Plain-Andy/android_platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,76Demented/bootable_recovery-,randomblame/bootable_recovery,Plain-Andy/android_platform_bootable_recovery,DerTeufel/dualboot_recovery,76Demented/bootable_recovery-,kylinmoddev/android_bootable_recovery,76Demented/bootable_recovery-,kylinmoddev/android_bootable_recovery,randomblame/bootable_recovery,DerTeufel/dualboot_recovery,randomblame/bootable_recovery,76Demented/bootable_recovery-