mmc:Ignore SIGTERM if open count > 0
mmc:Ignore SIGTERM if open count > 0

Change-Id: I996497335b4209ff7ef95dfa977d97e5557456e9

veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi