drivers: net: ethernet: ti: cpsw: disable cpsw_ale ageout timer when CPSW_VLAN_PROMISC set.

(cherry picked from commit 960013864364e805d2aa5867fb578ba38a25e546)
plum-MA: update default config (disable CPTS).
plum-MA: dtbs: update I2C RTC node label to avoid duplicated label.