package/linux-firmware: fix typo in Config.in prompt

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/linux-firmware/Config.in

@@ -596,7 +596,7 @@ config BR2_PACKAGE_LINUX_FIRMWARE_QLOGIC_4X
 	  (qede)
 
 config BR2_PACKAGE_LINUX_FIRMWARE_RTL_815X
-	bool "Realtek 8152/8153/8156 USB Ethernet Adapaters"
+	bool "Realtek 8152/8153/8156 USB Ethernet Adapters"
 	help
 	  Firmware files for Realtek 8152/8153/8156 based USB Ethernet
 	  adapters.