From: Raviteja Narayanam <raviteja.narayanam@xxxxxxxxxx>
smbus_block_read is added to xiic driver to read from few sensors
which support this command. Since the number of bytes to read is not
known prior to transfer, we are using xiic standard mode for low level
control of IP.
Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xxxxxxxxxx>
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@xxxxxxxxxx>