package/linux-firmware: add option for Intel NPU firmware

Add an option to install the firmware files for Intel Neural Processing
Unit (NPU) device.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/linux-firmware/Config.in

@@ -732,4 +732,17 @@ config BR2_PACKAGE_LINUX_FIRMWARE_RP2
 
 endmenu
 
+menu "NPU Firmware"
+
+config BR2_PACKAGE_LINUX_FIRMWARE_INTEL_NPU
+	bool "Intel NPU firmware"
+	help
+	  Firmware files for Intel NPU device. Intel NPU device is an
+	  AI inference accelerator integrated with Intel client CPUs.
+	  The full device name is Neural Processing Unit, but the
+	  Linux kernel driver uses the older name Versatile Processing
+	  Unit (VPU).
+
+endmenu
+
 endif

package/linux-firmware/linux-firmware.mk

@@ -932,6 +932,11 @@ ifeq ($(BR2_PACKAGE_LINUX_FIRMWARE_RP2),y)
 LINUX_FIRMWARE_FILES += rp2.fw
 endif
 
+ifeq ($(BR2_PACKAGE_LINUX_FIRMWARE_INTEL_NPU),y)
+LINUX_FIRMWARE_FILES += intel/vpu/vpu_*.bin
+LINUX_FIRMWARE_ALL_LICENSE_FILES += LICENSE.intel_vpu
+endif
+
 ifneq ($(LINUX_FIRMWARE_FILES)$(LINUX_FIRMWARE_DIRS),)
 
 define LINUX_FIRMWARE_BUILD_CMDS