staging: ti-st: set right the data types

replace uint and family by a much more proper u8/u16 types.
This is required specifically for data members of structures coming
in from the chip and data members parsed from the binary firmware file.

Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>