Use new Buffer class for the entire test framework
- Replace
std::vector<uint8_t>
byBuffer
class. - Update
Buffer
class:- Add support for initial value of the buffer.
- Always initialize the buffer with 0 by default.
- Add
pad_matrix
reference function to support extending the data buffer.
Signed-off-by: Viet-Hoa Do viet-hoa.do@arm.com