Revert "serial: sh-sci: Add device tree support for r8a7779"

This reverts commit fcbee4d49f30eb0eaa83a62e6a3cab5a892ed93f.

It wasn't quite ready to go in yet, sorry about that.

Cc: Simon Horman <[e-mail]>
Cc: Laurent Pinchart <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

Documentation/devicetree/bindings/serial/renesas,sci-serial.txt

···
     - "renesas,scifa-r8a7791" for R8A7791 (R-Car M2) SCIFA compatible UART.
     - "renesas,scifb-r8a7791" for R8A7791 (R-Car M2) SCIFB compatible UART.
     - "renesas,hscif-r8a7791" for R8A7791 (R-Car M2) HSCIF compatible UART.
-    - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART.
     - "renesas,scif" for generic SCIF compatible UART.
     - "renesas,scifa" for generic SCIFA compatible UART.
     - "renesas,scifb" for generic SCIFB compatible UART.

drivers/tty/serial/sh-sci.c

···
 struct sci_port_info {
 	unsigned int type;
 	unsigned int regtype;
-	unsigned int scscr_extra;
 };
 
 static const struct of_device_id of_sci_match[] = {
···
 		.data = &(const struct sci_port_info) {
 			.type = PORT_SCIF,
 			.regtype = SCIx_SH4_SCIF_REGTYPE,
-		},
-	}, {
-		.compatible = "renesas,scif-r8a7779",
-		.data = (void *)&(const struct sci_port_info) {
-			.type = PORT_SCIF,
-			.regtype = SCIx_SH4_SCIF_REGTYPE,
-			.scscr_extra = SCSCR_CKE1,
 		},
 	}, {
 		.compatible = "renesas,scifa",
···
 	p->flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
 	p->type = info->type;
 	p->regtype = info->regtype;
-	p->scscr = SCSCR_RE | SCSCR_TE | info->scscr_extra;
+	p->scscr = SCSCR_RE | SCSCR_TE;
 
 	return p;
 }