linux-firmware: broadcom: package bcm4356 NVRAM for NanoPC T4

Prepare for NanoPC T4 WIFI support.

Signed-off-by: Lu jicong <[email protected]>

package/firmware/linux-firmware/broadcom.mk

@@ -149,6 +149,18 @@ define Package/brcmfmac-nvram-43455-sdio/install
 endef
 $(eval $(call BuildPackage,brcmfmac-nvram-43455-sdio))
 
+Package/brcmfmac-nvram-4356-sdio = $(call Package/firmware-default,Broadcom BCM4356 SDIO NVRAM)
+define Package/brcmfmac-nvram-4356-sdio/install
+	$(INSTALL_DIR) $(1)/lib/firmware/brcm
+	$(INSTALL_DATA) \
+		$(PKG_BUILD_DIR)/brcm/brcmfmac4356-sdio.AP6356S.txt \
+		$(1)/lib/firmware/brcm/
+	$(LN) \
+		brcmfmac4356-sdio.AP6356S.txt \
+		$(1)/lib/firmware/brcm/brcmfmac4356-sdio.friendlyarm,nanopc-t4.txt
+endef
+$(eval $(call BuildPackage,brcmfmac-nvram-4356-sdio))
+
 Package/brcmfmac-firmware-usb = $(call Package/firmware-default,Broadcom BCM43xx fullmac USB firmware)
 define Package/brcmfmac-firmware-usb/install
 	$(INSTALL_DIR) $(1)/lib/firmware/brcm