package/linux-firmware: add rtw89 firmware files

Add files for rtw89 driver and extend help text for rtw88 option a bit.

Signed-off-by: Jan Čermák <sairon@sairon.cz>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/linux-firmware/Config.in

@@ -422,7 +422,13 @@ config BR2_PACKAGE_LINUX_FIRMWARE_RTL_RTW88
 	bool "Realtek rtw88"
 	help
 	  Firmware images supported by Realtek's wireless
-	  driver rtw88.
+	  driver rtw88 (802.11n/ac chipsets).
+
+config BR2_PACKAGE_LINUX_FIRMWARE_RTL_RTW89
+	bool "Realtek rtw89"
+	help
+	  Firmware images supported by Realtek's wireless
+	  driver rtw89 (802.11ax chipsets).
 
 config BR2_PACKAGE_LINUX_FIRMWARE_REDPINE_RS9113
 	bool "Redpine rs9113"

package/linux-firmware/linux-firmware.mk

@@ -171,6 +171,13 @@ LINUX_FIRMWARE_FILES += \
 LINUX_FIRMWARE_ALL_LICENSE_FILES += LICENCE.rtlwifi_firmware.txt
 endif
 
+# rtw89
+ifeq ($(BR2_PACKAGE_LINUX_FIRMWARE_RTL_RTW89),y)
+LINUX_FIRMWARE_FILES += \
+	rtw89/rtw*.bin
+LINUX_FIRMWARE_ALL_LICENSE_FILES += LICENCE.rtlwifi_firmware.txt
+endif
+
 # ar3011
 ifeq ($(BR2_PACKAGE_LINUX_FIRMWARE_AR3011),y)
 LINUX_FIRMWARE_FILES += ath3k-1.fw