Kconfig: Drop CONFIG_CMD_FDT_MAX_DUMP

This option is not used by any board. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 95dd673..a21415d 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -20,9 +20,7 @@
 
 #define MAX_LEVEL	32		/* how deeply nested we will go */
 #define SCRATCHPAD	1024		/* bytes of scratchpad memory */
-#ifndef CONFIG_CMD_FDT_MAX_DUMP
-#define CONFIG_CMD_FDT_MAX_DUMP 64
-#endif
+#define CMD_FDT_MAX_DUMP 64
 
 /*
  * Global data (for the gd->bd)
@@ -901,7 +899,7 @@
 	}
 
 	if ((len %4) == 0) {
-		if (len > CONFIG_CMD_FDT_MAX_DUMP)
+		if (len > CMD_FDT_MAX_DUMP)
 			printf("* 0x%p [0x%08x]", data, len);
 		else {
 			const __be32 *p;
@@ -913,7 +911,7 @@
 			printf(">");
 		}
 	} else { /* anything else... hexdump */
-		if (len > CONFIG_CMD_FDT_MAX_DUMP)
+		if (len > CMD_FDT_MAX_DUMP)
 			printf("* 0x%p [0x%08x]", data, len);
 		else {
 			const u8 *s;