gdb: NEWS: Move LoongArch gdbserver to the correct section

commit e5ab6af52d38 ("gdbserver: Add LoongArch/Linux support")
was merged into the master since GDB 12, so we should put the
news in the "Changes since GDB 12" section.

Thanks Tom Tromey for your correction [1], sorry for that.

[1] https://sourceware.org/pipermail/gdb-patches/2022-June/190122.html

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>

gdb/NEWS

@@ -43,6 +43,10 @@ maintenance info line-table
   entry corresponds to an address where a breakpoint should be placed
   to be at the first instruction past a function's prologue.
 
+* New targets
+
+GNU/Linux/LoongArch (gdbserver)	loongarch*-*-linux*
+
 * Python API
 
   ** GDB will now reformat the doc string for gdb.Command and
@@ -97,6 +101,10 @@ maintenance info line-table
        to wrap the result of a call to a Disassembler.  It has
        read-only attributes 'length' and 'string'.
 
+* New features in the GDB remote stub, GDBserver
+
+  ** GDBserver is now supported on LoongArch GNU/Linux.
+
 *** Changes in GDB 12
 
 * DBX mode is deprecated, and will be removed in GDB 13
@@ -728,8 +736,6 @@ QMemTags
 
   ** GDBserver is now supported on RISC-V GNU/Linux.
 
-  ** GDBserver is now supported on LoongArch GNU/Linux.
-
   ** GDBserver no longer supports these host triplets:
 
     i[34567]86-*-lynxos*
@@ -821,7 +827,6 @@ alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]
 * New targets
 
 GNU/Linux/RISC-V (gdbserver)	riscv*-*-linux*
-GNU/Linux/LoongArch (gdbserver)	loongarch*-*-linux*
 BPF				bpf-unknown-none
 Z80				z80-unknown-*