accel/ivpu: Limit FW version string length

[ Upstream commit 990b1e3d ]

Limit FW version string, when parsing FW binary, to 256 bytes and
always add NULL-terminate it.

Reviewed-by: Karol Wachowski <karol.wachowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-7-jacek.lawrynowicz@linux.intel.com


Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Stable-dep-of: 41a2d828 ("accel/ivpu: Fix error handling in recovery/reset")
Signed-off-by: Sasha Levin <sashal@kernel.org>