MIPS: ath79: Add a machine entry for booting OF machines

As I'm using a board with a broken old bootloader I hardcoded the
mips_machtype and did't notice that the machine entry was still
missing.

[[email protected]: Fixed spelling message noticed by Sergei Shtylyov
<[email protected]>.]

Signed-off-by: Alban Bedel <[email protected]>
Cc: Qais Yousef <[email protected]>
Cc: Felix Fietkau <[email protected]>
Cc: Andrew Bresticker <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/11503/
Signed-off-by: Ralf Baechle <[email protected]>

Author: AlbanBedel

arch/mips/ath79/setup.c

@@ -281,3 +281,8 @@ MIPS_MACHINE(ATH79_MACH_GENERIC,
 	     "Generic",
 	     "Generic AR71XX/AR724X/AR913X based board",
 	     ath79_generic_init);
+
+MIPS_MACHINE(ATH79_MACH_GENERIC_OF,
+	     "DTB",
+	     "Generic AR71XX/AR724X/AR913X based board (DT)",
+	     NULL);