In error situations, sometimes the card doesn't respond to commands. To recover from such situations, a power-cycle is issued to the card and it is reinitialized. msmsdcc_hw_reset: Defined in mmc host operations 'hw_reset'. This function power-cycles the card. CRs-fixed: 375869 Change-Id: I2b02649ae3befe700a7a2401b93eb69c8014a4ce Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>