mrvl: prestera: Update Marvell Prestera Switchdev FW to v4.1
Update firmware image(s) to v4.1.0 that are required by Marvell Prestera
driver recently updated in net/master. The major changes for this
FW version is the support for new Marvell AC5x Marvell Prestera PP family
family devices:
98DX7312M (12x25G / 8x25G + 1x100G);
98DX3500 (24x1G + 6x25G);
98DX3501 (16x1G + 6x10G);
98DX3510 (48x1G + 6x25G);
98DX3520 (24x2.5G + 6x25G);
Also includes bugfixes on the FW side for both AC5x and a38x images;