arm64: defconfig: enable bluetooth supports as modules

Enable the following items for bluetooth mouse and speaker which base
on HCIUART.

a) CONFIG_BT_HCIUART
b) CONFIG_BT_HCIUART_LL
c) CONFIG_BT_HIDP

Enable bluetooth LED support.

d) CONFIG_BT_LEDS
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/configs/defconfig

@@ -89,6 +89,14 @@ CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 # CONFIG_IPV6 is not set
 CONFIG_BPF_JIT=y
+CONFIG_BT=m
+CONFIG_BT_HIDP=m
+# CONFIG_BT_HS is not set
+# CONFIG_BT_LE is not set
+CONFIG_BT_LEDS=y
+# CONFIG_BT_DEBUGFS is not set
+CONFIG_BT_HCIUART=m
+CONFIG_BT_HCIUART_LL=y
 CONFIG_CFG80211=m
 CONFIG_MAC80211=m
 CONFIG_MAC80211_LEDS=y