i2cget: Add support for SMBus block read

Now that i2cget supports I2C block read, adding support for SMBus
block read is trivial. This restores the symmetry between i2cset and
i2cget, and paves the road for the removal of SMBus block read
support from i2cdump.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2 files changed