staging: rtl8723bs: select CONFIG_CRYPTO_LIB_AES

This fixes the following issue:
ERROR: modpost: "aes_expandkey" [drivers/staging/rtl8723bs/r8723bs.ko]
undefined!
ERROR: modpost: "aes_encrypt" [drivers/staging/rtl8723bs/r8723bs.ko]
undefined!

Fixes: 7d40753 ("staging: rtl8723bs: use in-kernel aes encryption in OMAC1 routines")
Fixes: 3d3a170 ("staging: rtl8723bs: use in-kernel aes encryption")
Signed-off-by: 谢致邦 (XIE Zhibang) <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Red54

drivers/staging/rtl8723bs/Kconfig

@@ -4,6 +4,7 @@ config RTL8723BS
 	depends on WLAN && MMC && CFG80211
 	depends on m
 	select CRYPTO
+	select CRYPTO_LIB_AES
 	select CRYPTO_LIB_ARC4
 	help
 	This option enables support for RTL8723BS SDIO drivers, such as