boards: nxp: add shield of 7inch DSI LCD(C) for FRDM_IMX93 The panel is 7inchi DSI LCD on i2c bus. Also added display into feature list. Signed-off-by: Winteri Wang <dongjie.wang@nxp.com> Signed-off-by: Ruoshan Shi <ruoshan.shi@nxp.com>