Uart1 rxd is wakeup capable on DRA72 EVM. Hence, mark rxd line as
wakeup capable. This is similar to commit 66b0436977e2c ("ARM: dts:
dra7-evm: Mark uart1 rxd as wakeup capable") for DRA74 EVM.
Signed-off-by: Vignesh R <vigneshr@ti.com> Acked-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>