defconfig: r3: add lvm2 options

based on gentoo documentiation:
https://wiki.gentoo.org/wiki/LVM#Kernel

Author: frank-w

arch/arm64/configs/mt7986a_bpi-r3_defconfig

@@ -1255,6 +1255,16 @@ CONFIG_SECCOMP=y
 CONFIG_NET_IPGRE=m
 CONFIG_NET_IPGRE_DEMUX=m
 
+#LVM2
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_MIRROR=y
+CONFIG_DM_MULTIPATH=y
+CONFIG_DM_MULTIPATH_QL=y
+CONFIG_DM_MULTIPATH_ST=y
+
 #for r3mini
 CONFIG_AIR_EN8811H_PHY=y
 CONFIG_LED_TRIGGER_PHY=y
@@ -1265,3 +1275,4 @@ CONFIG_EXTRA_FIRMWARE_DIR="utils/firmware/"
 CONFIG_PANIC_TIMEOUT=30
 
 CONFIG_MARVELL_PHY=m
+