linux-firmware: fix Intel GUC firmware support for N5105/N6005 (#10027)

N5105/6005 的 GUC 最新固件应为 ehl_guc_70.1.1.bin
root@OpenWrt[x86_64]:~# dmesg | grep i915
[   15.782124] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/icl_dmc_ver1_09.bin (v1.9)
[   15.807568] i915 0000:00:02.0: [drm] GuC firmware i915/ehl_guc_70.1.1.bin version 70.1
[   15.808411] i915 0000:00:02.0: [drm] HuC firmware i915/ehl_huc_9.0.0.bin version 9.0
[   15.824779] i915 0000:00:02.0: [drm] HuC authenticated
[   15.825842] i915 0000:00:02.0: [drm] GuC submission enabled
[   15.826473] i915 0000:00:02.0: [drm] GuC SLPC disabled
[   15.842051] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on minor 0
[   15.955659] fbcon: i915drmfb (fb0) is primary device
[   15.995663] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

Author: Hyy2001X

package/firmware/linux-firmware/intel.mk

@@ -227,6 +227,7 @@ define Package/i915-firmware/install
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/ehl_guc_49.0.1.bin $(1)/lib/firmware/i915/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/ehl_guc_62.0.0.bin $(1)/lib/firmware/i915/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/ehl_guc_69.0.3.bin $(1)/lib/firmware/i915/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/ehl_guc_70.1.1.bin $(1)/lib/firmware/i915/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/ehl_huc_9.0.0.bin $(1)/lib/firmware/i915/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/glk_dmc_ver1_04.bin $(1)/lib/firmware/i915/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/i915/glk_guc_32.0.3.bin $(1)/lib/firmware/i915/