.gdb: remove newline control characters

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>

.gdb/kernel.default

@@ -1,31 +1,31 @@
-shell echo "\nWaiting for 1 secs..."
+shell echo "Waiting for 1 secs..."
 shell sleep 1
-shell echo "\nExecuting gdb commands in local .gdbinit ..."
+shell echo "Executing gdb commands in local .gdbinit ..."
 
-shell echo  "\n(gdb) target remote :1234"
+shell echo  "(gdb) target remote :1234"
 target remote :1234
 
 shell sleep 1
-shell echo  "\n(gdb) break start_kernel"
+shell echo  "(gdb) break start_kernel"
 break start_kernel
 
 shell sleep 1
-shell echo  "\n(gdb) break time_init"
+shell echo  "(gdb) break time_init"
 break time_init
 
 shell sleep 1
-shell echo  "\n(gdb) break do_fork"
+shell echo  "(gdb) break do_fork"
 break do_fork
 break _do_fork
 
 shell sleep 1
-shell echo  "\n(gdb) c"
+shell echo  "(gdb) c"
 c
 
 shell sleep 1
-shell echo  "\n(gdb) c"
+shell echo  "(gdb) c"
 c
 
 shell sleep 1
-shell echo  "\ngdb bt"
+shell echo  "gdb bt"
 bt

.gdb/uboot.default

@@ -1,18 +1,18 @@
-shell echo "\nWaiting for 1 secs..."
+shell echo "Waiting for 1 secs..."
 shell sleep 1
-shell echo"\nExecuting gdb commands in local .gdbinit ..."
+shell echo"Executing gdb commands in local .gdbinit ..."
 
-shell echo "\n(gdb) target remote :1234"
+shell echo "(gdb) target remote :1234"
 target remote :1234
 
 shell sleep 1
-shell echo "\n(gdb) break _start"
+shell echo "(gdb) break _start"
 break _start
 
 #shell sleep 1
-#shell echo "\n(gdb) c"
+#shell echo "(gdb) c"
 #c
 
 shell sleep 1
-shell echo "\ngdb bt"
+shell echo "gdb bt"
 bt