Host communication: removed hard coding

Command size is always from macro HOST_FORWARD_FRAME_SIZE
Responses size is always HOST_BACKWARD_FRAME_SIZE

Signed-off-by: Ajay <ajay@moxiedevices.com>
FORWARD FRAME SIZE: changed from 4 to 11

For sending device name forward frame size should be 11.

Signed-off-by: Ajay <ajay@moxiedevices.com>
support for Device Name

Signed-off-by: Ajay <ajay@moxiedevices.com>
support for device name

Signed-off-by: Ajay <ajay@moxiedevices.com>