accel/ivpu: Refactor failure diagnostics during boot

Move diagnostic functions to common error handling within ivpu_boot()
function to ensure diagnostics are gathered even in cases where NPU
fails after successful boot (DCT and HWS init failures).

Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-24-jacek.lawrynowicz@linux.intel.com


Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>