accel/ivpu: Add platform detection for presilicon

Use highest buttress VPU_STATUS register bits(15:13) that encode
platform type as follows:
	0 - Silicon
	2 - Simics
	3 - FPGA
	4 - Hybrid SLE

Remove old DMI based method.

Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-14-maciej.falkowski@linux.intel.com