host/mesh: Add VA flag to generic pending flags
host/mesh: Add VA flag to generic pending flags

This adds BT_MESH_SETTINGS_VA_PENDING to GENERIC_PENDING_BITS
as it should be stored by CONFIG_BT_MESH_STORE_TIMEOUT.

This is port of 22fabefdf2c112d4d5bfe214ddf512bb41ada6e9

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble