M28: Fix tab indent in u-boot.bd

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Stefano Babic <sbabic@denx.de>

board/denx/m28evk/u-boot.bd

@@ -4,11 +4,11 @@ sources {
 }
 
 section (0) {
-        load u_boot_spl > 0x0000;
-        load ivt (entry = 0x0014) > 0x8000;
+	load u_boot_spl > 0x0000;
+	load ivt (entry = 0x0014) > 0x8000;
 	hab call 0x8000;
 
-        load u_boot > 0x40000100;
-        load ivt (entry = 0x40000100) > 0x8000;
+	load u_boot > 0x40000100;
+	load ivt (entry = 0x40000100) > 0x8000;
 	hab call 0x8000;
 }