[ARM] orion5x: added a new FPGA ID set for the TS-78xx

Stefan Agner found his board comes with 0x00b480/0x02 but the main
board also has Rev B printed on it like my 0x00b480/0x03.  Some light
enum renaming was needed but it was to be expected.
Signed-off-by: NAlexander Clouter <alex@digriz.org.uk>
Signed-off-by: NNicolas Pitre <nico@marvell.com>

arch/arm/mach-orion5x/ts78xx-fpga.h

@@ -6,7 +6,8 @@
  */
 enum fpga_ids {
 	/* Technologic Systems */
-	TS7800_REV_B = FPGAID(0x00b480, 0x03),
+	TS7800_REV_B2 = FPGAID(0x00b480, 0x02),
+	TS7800_REV_B3 = FPGAID(0x00b480, 0x03),
 };
 
 struct fpga_device {

arch/arm/mach-orion5x/ts78xx-setup.c

@@ -282,7 +282,8 @@ static void ts78xx_fpga_supports(void)
 {
 	/* TODO: put this 'table' into ts78xx-fpga.h */
 	switch (ts78xx_fpga.id) {
-	case TS7800_REV_B:
+	case TS7800_REV_B2:
+	case TS7800_REV_B3:
 		ts78xx_fpga.supports.ts_rtc.present = 1;
 		ts78xx_fpga.supports.ts_nand.present = 1;
 		break;